<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-24T15:40:22.201001005Z</responseDate><request verb="ListRecords" metadataPrefix="oai_dc">https://rdbcct.unam.mx/server/oai/request</request><ListRecords><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4312</identifier><datestamp>2026-05-14T09:00:28Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>El cultivo de la ostra Crassostrea brasiliana (Lamarck) en la región lagunar de Cananeia, Sao Paulo, Brasil</dc:title>
   <dc:creator>Akaboshi, S.</dc:creator>
   <dc:creator>Bastos A. A.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Acuicultura - América Latina</dc:subject>
   <dc:subject>Recursos acuáticos  - América Latina</dc:subject>
   <dc:subject>Cultivo de pectínidos - Brasil</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>74, SE-20, 1-17 p.</dc:description>
   <dc:date>2026-05-13T16:47:42Z</dc:date>
   <dc:date>1974</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4312</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Simposio sobre Acuicultura en América Latina</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Organización de las Naciones Unidas para la Agricultura y la Alimentación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Sal1009.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/468</identifier><datestamp>2025-10-15T09:00:16Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_13</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Índice de los nombres mexicanos de las plantas descritas en la obra del Dr. Hernández</dc:title>
   <dc:creator>Hernández, Francisco</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Botánica</dc:subject>
   <dc:subject>Índice</dc:subject>
   <dc:subject>México</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>264 p.</dc:description>
   <dc:date>2023-01-17T18:34:50Z</dc:date>
   <dc:date>2025-10-14T20:23:13Z</dc:date>
   <dc:date>2023-01-17T18:34:50Z</dc:date>
   <dc:date>0</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/468</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:publisher>El autor</dc:publisher>
   <dc:source>https://www.biodiversitylibrary.org/item/214682#page/5/mode/1up</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3801</identifier><datestamp>2026-04-23T23:15:39Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Cintalapa, Chiapas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Ferrera Toledo, J., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Cintalapa (Chiapas)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:09Z</dc:date>
   <dc:date>2025-10-24T05:00:30Z</dc:date>
   <dc:date>2024-09-15T23:05:09Z</dc:date>
   <dc:date>1937-06-08</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3801</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Cintalapa, Chis.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_36.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2231</identifier><datestamp>2026-04-23T23:15:39Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez, Carmen, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:45Z</dc:date>
   <dc:date>2025-10-24T04:09:03Z</dc:date>
   <dc:date>2024-09-15T22:15:45Z</dc:date>
   <dc:date>1942-06-21</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2231</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_48.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2876</identifier><datestamp>2026-04-23T23:15:40Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Morelia, Michoacán</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>García, Hernández, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Morelia (Michoacán)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:25:09Z</dc:date>
   <dc:date>2025-10-24T04:23:54Z</dc:date>
   <dc:date>2024-09-17T21:25:09Z</dc:date>
   <dc:date>1943-02-22</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2876</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Morelia, Mich.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1943Teleg_36.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2799</identifier><datestamp>2026-04-23T23:15:40Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chilapa, Guerrero</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Salmeron, M.,Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chilapa (Guerrero)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio</dc:description>
   <dc:description>Transmitido-1-15-31</dc:description>
   <dc:date>2024-09-15T21:04:26Z</dc:date>
   <dc:date>2025-10-24T04:21:43Z</dc:date>
   <dc:date>2024-09-15T21:04:26Z</dc:date>
   <dc:date>1931-01-14</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2799</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chilapa, Gro.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_4.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/515</identifier><datestamp>2025-10-15T09:00:17Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_13</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Memoria para servir a la carta general de la República Mexicana</dc:title>
   <dc:creator>García Cubas, Antonio</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Cartografía</dc:subject>
   <dc:subject>Diccionarios</dc:subject>
   <dc:subject>Geografía</dc:subject>
   <dc:subject>México</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>178 p.</dc:description>
   <dc:date>2023-01-17T18:34:54Z</dc:date>
   <dc:date>2025-10-14T20:23:22Z</dc:date>
   <dc:date>2023-01-17T18:34:54Z</dc:date>
   <dc:date>1861</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/515</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:publisher>Imprenta de Andrade y Escalante</dc:publisher>
   <dc:source>https://doi.org/10.5962/bhl.title.140706</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4642</identifier><datestamp>2026-05-14T09:00:32Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Noticia de la Exportación de Frutas por la Aduana de Nogales-Septiembre de 1902</dc:title>
   <dc:creator>Secretaría de Fomento</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Ciencia de cultivos</dc:subject>
   <dc:subject>Botánica</dc:subject>
   <dc:subject>Frutas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año II, No.1, Segunda época, 512 p.</dc:description>
   <dc:date>2026-05-13T16:59:12Z</dc:date>
   <dc:date>1902-1903</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4642</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de la Secretaría de Fomento</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Oficina Tip. de la Secretaría de Fomento</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BSF1338.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1124</identifier><datestamp>2026-04-24T14:11:46Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>La caverna de Ojo de Agua</dc:title>
   <dc:creator>Villada, Manuel M.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Excursiones Científicas</dc:subject>
   <dc:subject>Científicos - Discursos, ensayos, conferencias - Siglo XIX</dc:subject>
   <dc:subject>Escritos académicos</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I Serie Segunda, 81-85 p.</dc:description>
   <dc:date>2023-11-29T23:08:56Z</dc:date>
   <dc:date>2025-10-22T00:08:44Z</dc:date>
   <dc:date>2023-11-29T23:08:56Z</dc:date>
   <dc:date>1887-1890</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1124</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz568.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4470</identifier><datestamp>2026-05-14T09:00:36Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>El terremoto de Jáltipan, Ver. Del 26 de Agosto de 1959</dc:title>
   <dc:creator>Merino y Coronado, J.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Terremotos</dc:subject>
   <dc:subject>Mecánica de rocas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 6, 88-137 p.</dc:description>
   <dc:date>2026-05-13T16:58:06Z</dc:date>
   <dc:date>1960</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4470</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geofísica</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/AIGeF1166.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1187</identifier><datestamp>2026-04-24T14:11:46Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Apuntes de geología y de botánica relativos a México</dc:title>
   <dc:creator>Villada, Manuel M.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Mineralogía</dc:subject>
   <dc:subject>Geología</dc:subject>
   <dc:subject>Paleontología</dc:subject>
   <dc:subject>Excursiones Científicas</dc:subject>
   <dc:subject>Científicos - Discursos, ensayos, conferencias - Siglo XIX</dc:subject>
   <dc:subject>Escritos académicos</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I Serie Segunda, 493-498 p.</dc:description>
   <dc:date>2023-11-29T23:09:03Z</dc:date>
   <dc:date>2025-10-22T00:09:40Z</dc:date>
   <dc:date>2023-11-29T23:09:03Z</dc:date>
   <dc:date>1887-1890</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1187</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz615.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3194</identifier><datestamp>2026-04-23T23:15:41Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Comitán, Chiapas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>De Pinto, Dolores, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Comitán (Chiapas)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:17:51Z</dc:date>
   <dc:date>2025-10-24T04:34:23Z</dc:date>
   <dc:date>2024-09-17T00:17:51Z</dc:date>
   <dc:date>1967-08-20</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3194</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Comitán, Chis.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_140.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/550</identifier><datestamp>2025-10-15T09:00:18Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_13</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Importancia del cultivo del hule en el porvenir de la república</dc:title>
   <dc:creator>Romero, Matias</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Caucho</dc:subject>
   <dc:subject>Cultivo</dc:subject>
   <dc:subject>Hule</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>56 p.</dc:description>
   <dc:date>2023-01-17T18:34:58Z</dc:date>
   <dc:date>2025-10-14T20:23:29Z</dc:date>
   <dc:date>2023-01-17T18:34:58Z</dc:date>
   <dc:date>1898</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/550</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:publisher>Oficina Tip. de la Secretaría de Fomento</dc:publisher>
   <dc:source>https://doi.org/10.5962/bhl.title.152370</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2040</identifier><datestamp>2026-04-23T23:15:41Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Cordero Campos, José, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-16T19:47:48Z</dc:date>
   <dc:date>2025-10-24T04:06:13Z</dc:date>
   <dc:date>2024-09-16T19:47:48Z</dc:date>
   <dc:date>1950-01-21</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2040</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1950Teleg_2.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1967</identifier><datestamp>2026-04-23T23:15:41Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Salina Cruz, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Moctezuma Escobar, Guillermo, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Salina Cruz (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:27:44Z</dc:date>
   <dc:date>2025-10-24T04:05:21Z</dc:date>
   <dc:date>2024-09-17T00:27:44Z</dc:date>
   <dc:date>1967-06-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1967</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Salina Cruz, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_303.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2139</identifier><datestamp>2026-04-23T23:15:42Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Veracruz</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Nava Valencia, Adolfo, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Veracruz</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Pasado-10-17-1932</dc:description>
   <dc:date>2024-09-15T21:03:48Z</dc:date>
   <dc:date>2025-10-24T04:07:35Z</dc:date>
   <dc:date>2024-09-15T21:03:48Z</dc:date>
   <dc:date>1932-10-16</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2139</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Veracruz, Ver.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_88.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1934</identifier><datestamp>2026-04-23T23:15:42Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:24:44Z</dc:date>
   <dc:date>2025-10-24T04:05:00Z</dc:date>
   <dc:date>2024-09-17T21:24:44Z</dc:date>
   <dc:date>1963-10-14</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1934</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1963Teleg_119.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3047</identifier><datestamp>2026-04-23T23:15:42Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Manzanillo, Colima</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Fernández, Leopoldo, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Manzanillo (Colima)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:32:16Z</dc:date>
   <dc:date>2025-10-24T04:29:16Z</dc:date>
   <dc:date>2024-09-17T21:32:16Z</dc:date>
   <dc:date>1943-02-22</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3047</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Manzanillo, Col.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1943Teleg_51.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4434</identifier><datestamp>2026-05-14T09:00:38Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>La exposición de Aparatos de Combustión y Combustibles. Discurso de clausura de la exposición</dc:title>
   <dc:creator>Rodríguez Muñoz, Ricardo</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Recursos naturales</dc:subject>
   <dc:subject>Condiciones económicas</dc:subject>
   <dc:subject>Conservación de la naturaleza</dc:subject>
   <dc:subject>Aspectos ambientales</dc:subject>
   <dc:subject>Biología de la conservación</dc:subject>
   <dc:subject>Conservación de la biodiversidad</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año III, No.11, Junio-Agosto, 109-114 p.</dc:description>
   <dc:date>2026-05-13T16:51:08Z</dc:date>
   <dc:date>1938</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4434</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de Departamento Forestal y de Caza y Pesca</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BDF1130.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2922</identifier><datestamp>2026-04-23T23:15:42Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez de Ortega, Carmen, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-16T19:48:20Z</dc:date>
   <dc:date>2025-10-24T04:25:17Z</dc:date>
   <dc:date>2024-09-16T19:48:20Z</dc:date>
   <dc:date>1950-10-31</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2922</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1950Teleg_91.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4772</identifier><datestamp>2026-05-14T09:00:40Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Hojeando Revistas</dc:title>
   <dc:creator>Solana Gutierrez, Manuel</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Desarrollo de recursos hidrológicos</dc:subject>
   <dc:subject>Aguas subterráneas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 25 , No. 3, Julio-Agosto-Septiembre, 155-157 p.</dc:description>
   <dc:date>2026-05-13T17:00:50Z</dc:date>
   <dc:date>1944</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4772</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Irrigación en México</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Comisión Nacional de Irrigación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/IMex1468.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2648</identifier><datestamp>2026-04-23T23:15:43Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Comitán, Chiapas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>De Pinto, Dolores, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Comitán (Chiapas)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:27:23Z</dc:date>
   <dc:date>2025-10-24T04:17:43Z</dc:date>
   <dc:date>2024-09-17T00:27:23Z</dc:date>
   <dc:date>1967-10-18</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2648</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Comitán, Chis.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_192.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4059</identifier><datestamp>2026-04-23T23:15:43Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Orizaba, Veracruz</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Cástillo, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Orizaba (Veracruz)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:15Z</dc:date>
   <dc:date>2025-10-24T05:13:58Z</dc:date>
   <dc:date>2024-09-15T23:05:15Z</dc:date>
   <dc:date>1937-07-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4059</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Orizaba, Ver.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_63.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4262</identifier><datestamp>2026-04-23T23:15:43Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Cordero Campos, José, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:16:48Z</dc:date>
   <dc:date>2025-10-24T05:25:29Z</dc:date>
   <dc:date>2024-09-17T00:16:48Z</dc:date>
   <dc:date>1952-08-29</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4262</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1952Teleg_97.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4097</identifier><datestamp>2026-04-23T23:15:44Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Pochutla, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Cruz, Sebastian, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Pochutla (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:15Z</dc:date>
   <dc:date>2025-10-24T05:16:04Z</dc:date>
   <dc:date>2024-09-15T22:15:15Z</dc:date>
   <dc:date>1931-06-01</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4097</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Pochutla, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_122.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/350</identifier><datestamp>2025-10-15T09:00:21Z</datestamp><setSpec>com_rdbcct_7</setSpec><setSpec>col_rdbcct_271</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Carta de asunto personal dirigida a Juan Payeras C.</dc:title>
   <dc:title>Carta de asunto personal dirigida a Juan Payeras C.</dc:title>
   <dc:creator>Monges López, Ricardo, Ing.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Agradecimiento.</dc:subject>
   <dc:subject>Asunto personal.</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Asunto personales</dc:description>
   <dc:description>2 h.</dc:description>
   <dc:description>Comentario de agradecimiento a su amigo por la entrega de fotos a color con diapositivas y envio de saludos a su esposa.</dc:description>
   <dc:date>2023-07-10T23:09:19Z</dc:date>
   <dc:date>2025-10-14T20:18:54Z</dc:date>
   <dc:date>2023-07-10T23:09:19Z</dc:date>
   <dc:date>1962-02-02</dc:date>
   <dc:type>info:eu-repo/semantics/other</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/350</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Asuntos personales</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>http://bcct.unam.mx/Archivos/personal/RML/AP86.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1570</identifier><datestamp>2026-04-23T23:15:44Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Manzanillo, Colima</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Fernández, Leopoldo, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Manzanillo (Colima)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Pasado-6-18-932</dc:description>
   <dc:date>2024-09-15T21:03:25Z</dc:date>
   <dc:date>2025-10-24T04:02:14Z</dc:date>
   <dc:date>2024-09-15T21:03:25Z</dc:date>
   <dc:date>1932-06-17</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1570</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Manzanillo, Col.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_20.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2890</identifier><datestamp>2026-04-23T23:15:45Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Santiago Pinotepa Nacional, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Alonso, Peña, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Santiago Pinotepa Nacional (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:06:15Z</dc:date>
   <dc:date>2025-10-24T04:24:19Z</dc:date>
   <dc:date>2024-09-15T23:06:15Z</dc:date>
   <dc:date>1956-10-02</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2890</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Santiago Pinotepa Nacional, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1956Teleg_38.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/300</identifier><datestamp>2025-10-15T09:00:23Z</datestamp><setSpec>com_rdbcct_7</setSpec><setSpec>col_rdbcct_271</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Carta dirigida al Lic. Sergio Domínguez Vargas, Secretario General de la UNAM</dc:title>
   <dc:title>Carta dirigida al Lic. Sergio Domínguez Vargas,
Secretario General de la UNAM</dc:title>
   <dc:creator>Dr. Ricardo Guerra Tejeda</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Nombramiento.</dc:subject>
   <dc:subject>Profesor emérito.</dc:subject>
   <dc:subject>Distinción académica.</dc:subject>
   <dc:subject>Comisión del Trabajo Académico.</dc:subject>
   <dc:subject>Universidad Nacional Autónoma de México.</dc:subject>
   <dc:subject>Monges López, Ricardo</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Reconocimientos</dc:description>
   <dc:description>1 h.</dc:description>
   <dc:description>Se expone que la Comisión del Trabajo Académico opina que por sus antecedentes académicos,  el Ing. Monges López, satisface plenamente los requisitos establecidos para ser designado Profesor Emérito de la Facultad de Ciencias.</dc:description>
   <dc:date>2023-10-07T00:12:57Z</dc:date>
   <dc:date>2025-10-14T20:18:43Z</dc:date>
   <dc:date>2023-10-07T00:12:57Z</dc:date>
   <dc:date>1974-08-08</dc:date>
   <dc:type>info:eu-repo/semantics/other</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/300</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Reconocimientos</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>http://bcct.unam.mx/Archivos/personal/RML/RECONOCIMIENTOS4.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2447</identifier><datestamp>2026-04-23T23:15:45Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de San Felipe del Progreso, Estado de México</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Carpio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - San Felipe del Progreso (Estado de México)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:41:26Z</dc:date>
   <dc:date>2025-10-24T04:13:08Z</dc:date>
   <dc:date>2024-09-17T21:41:26Z</dc:date>
   <dc:date>1968-08-02</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2447</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>San Felipe del Progreso, Méx.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1968Teleg_51.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2082</identifier><datestamp>2026-04-23T23:15:45Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T22:23:12Z</dc:date>
   <dc:date>2025-10-24T04:06:47Z</dc:date>
   <dc:date>2024-09-17T22:23:12Z</dc:date>
   <dc:date>1964-03-30</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2082</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1964Teleg_31.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2345</identifier><datestamp>2026-04-23T23:15:46Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Guadalajara, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Del Rio, B., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Guadalajara (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Pasado 11 junio</dc:description>
   <dc:date>2024-09-15T21:03:58Z</dc:date>
   <dc:date>2025-10-24T04:11:06Z</dc:date>
   <dc:date>2024-09-15T21:03:58Z</dc:date>
   <dc:date>1932-06-11</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2345</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Guadalajara, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_113.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1081</identifier><datestamp>2026-04-24T14:11:46Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Descripciones de coleópteros indígenas</dc:title>
   <dc:creator>Dugés, Eugenio</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Zoología</dc:subject>
   <dc:subject>Escarabajos - México - Identificación</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo V No.6-7, 103-125 p.</dc:description>
   <dc:date>2023-05-31T21:25:18Z</dc:date>
   <dc:date>2025-10-22T00:08:09Z</dc:date>
   <dc:date>2023-05-31T21:25:18Z</dc:date>
   <dc:date>1880-1881</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1081</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz455.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3742</identifier><datestamp>2026-04-23T23:15:46Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Pochutla, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Robles, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Pochutla (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio</dc:description>
   <dc:description>Pasado</dc:description>
   <dc:date>2024-09-15T22:15:07Z</dc:date>
   <dc:date>2025-10-24T04:57:39Z</dc:date>
   <dc:date>2024-09-15T22:15:07Z</dc:date>
   <dc:date>1931-04-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3742</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Pochutla, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_82.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3388</identifier><datestamp>2026-04-23T23:15:46Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Santo Domingo Tehuantepec, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Rios Ruiz, Aaron, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Santo Domingo Tehuantepec (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:32:33Z</dc:date>
   <dc:date>2025-10-24T04:41:53Z</dc:date>
   <dc:date>2024-09-17T21:32:33Z</dc:date>
   <dc:date>1966-05-03</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3388</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tehuantepec, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1966Teleg_90.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2320</identifier><datestamp>2026-04-23T23:15:46Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Tecalitlán, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Fregoso, P., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Tecalitlán (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:49Z</dc:date>
   <dc:date>2025-10-24T04:10:38Z</dc:date>
   <dc:date>2024-09-15T22:15:49Z</dc:date>
   <dc:date>1942-06-10</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2320</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tecalitlán, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_58.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3278</identifier><datestamp>2026-04-23T23:15:47Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Comitán, Chiapas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>De Pinto, Dolores, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Comitán (Chiapas)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:18:02Z</dc:date>
   <dc:date>2025-10-24T04:37:32Z</dc:date>
   <dc:date>2024-09-17T00:18:02Z</dc:date>
   <dc:date>1967-09-18</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3278</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Comitán, Chis.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_162.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4108</identifier><datestamp>2026-04-23T23:15:47Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Cordero Campos, José, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:16:45Z</dc:date>
   <dc:date>2025-10-24T05:16:41Z</dc:date>
   <dc:date>2024-09-17T00:16:45Z</dc:date>
   <dc:date>1952-07-21</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4108</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1952Teleg_83.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4386</identifier><datestamp>2026-05-14T09:00:42Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>La obra forestal de México apreciada en el extranjero</dc:title>
   <dc:creator>Liebermann, José</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Recursos naturales</dc:subject>
   <dc:subject>Condiciones económicas</dc:subject>
   <dc:subject>Conservación de la naturaleza</dc:subject>
   <dc:subject>Aspectos ambientales</dc:subject>
   <dc:subject>Biología de la conservación</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año III, No.8, Septiembre-Noviembre, 307 p.</dc:description>
   <dc:date>2026-05-13T16:50:51Z</dc:date>
   <dc:date>1937</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4386</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de Departamento Forestal y de Caza y Pesca</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BDF1082.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4033</identifier><datestamp>2026-04-23T23:15:47Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Mérida, Yucatán</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Acosta, Rafael, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Mérida (Yucatán)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:16:43Z</dc:date>
   <dc:date>2025-10-24T05:12:33Z</dc:date>
   <dc:date>2024-09-17T00:16:43Z</dc:date>
   <dc:date>1952-07-09</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4033</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Mérida, Yuc.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1952Teleg_76.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3214</identifier><datestamp>2026-04-23T23:15:47Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Comitán, Chiapas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>De Pinto, Dolores, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Comitán (Chiapas)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:17:53Z</dc:date>
   <dc:date>2025-10-24T04:35:06Z</dc:date>
   <dc:date>2024-09-17T00:17:53Z</dc:date>
   <dc:date>1967-08-27</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3214</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Comitán, Chis.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_145.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3924</identifier><datestamp>2026-04-23T23:15:48Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Mazatlán, Sinaloa</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Schober F., E., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Mazatlán (Sinaloa)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:12Z</dc:date>
   <dc:date>2025-10-24T05:06:44Z</dc:date>
   <dc:date>2024-09-15T23:05:12Z</dc:date>
   <dc:date>1937-07-23</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3924</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Mazatlán, Sin.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_49.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2416</identifier><datestamp>2026-04-23T23:15:48Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Nochixtlán, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Castellanos Aguilar, Francisco, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Nochixtlán (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:50Z</dc:date>
   <dc:date>2025-10-24T04:12:30Z</dc:date>
   <dc:date>2024-09-15T23:05:50Z</dc:date>
   <dc:date>1937-12-27</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2416</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Nochixtlán, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_177.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3240</identifier><datestamp>2026-04-23T23:15:48Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Sin remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-16T19:48:45Z</dc:date>
   <dc:date>2025-10-24T04:36:05Z</dc:date>
   <dc:date>2024-09-16T19:48:45Z</dc:date>
   <dc:date>1950-12-26</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3240</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1950Teleg_143.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2157</identifier><datestamp>2026-04-23T23:15:49Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Guadalajara, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Del Rio, J. Rubén, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Guadalajara (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:42Z</dc:date>
   <dc:date>2025-10-24T04:07:53Z</dc:date>
   <dc:date>2024-09-15T22:15:42Z</dc:date>
   <dc:date>1942-06-20</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2157</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Guadalajara, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_40.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2742</identifier><datestamp>2026-04-23T23:15:49Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Guadalajara, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Del Rio, B., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Guadalajara (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Transmitido a la Estación Sismológica Central de Tacubaya</dc:description>
   <dc:date>2024-09-15T21:04:22Z</dc:date>
   <dc:date>2025-10-24T04:20:09Z</dc:date>
   <dc:date>2024-09-15T21:04:22Z</dc:date>
   <dc:date>1932-12-07</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2742</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Guadalajara, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_163.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1240</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Tres monstruosidades en ovarios inferos</dc:title>
   <dc:creator>Ramírez, José</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Botánica</dc:subject>
   <dc:subject>Plantas - Reproducción</dc:subject>
   <dc:subject>Ecología vegetal</dc:subject>
   <dc:subject>Anatomía vegetal</dc:subject>
   <dc:subject>Diversidad de las plantas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo III Serie Segunda, No.1-2, 125-128 p.</dc:description>
   <dc:date>2024-03-15T00:03:36Z</dc:date>
   <dc:date>2025-10-22T00:10:33Z</dc:date>
   <dc:date>2024-03-15T00:03:36Z</dc:date>
   <dc:date>1903</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1240</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz724.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2633</identifier><datestamp>2026-04-23T23:15:49Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara Fernández, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:06:01Z</dc:date>
   <dc:date>2025-10-24T04:17:21Z</dc:date>
   <dc:date>2024-09-15T23:06:01Z</dc:date>
   <dc:date>1956-01-17</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2633</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1956Teleg_9.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3840</identifier><datestamp>2026-04-23T23:15:49Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Tenorio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:10Z</dc:date>
   <dc:date>2025-10-24T05:02:27Z</dc:date>
   <dc:date>2024-09-15T23:05:10Z</dc:date>
   <dc:date>1937-06-09</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3840</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_40.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3561</identifier><datestamp>2026-04-23T23:15:50Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Zacapoaxtla, Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Romero, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Zacapoaxtla (Puebla)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:14:58Z</dc:date>
   <dc:date>2025-10-24T04:49:15Z</dc:date>
   <dc:date>2024-09-15T22:14:58Z</dc:date>
   <dc:date>1931-01-14</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3561</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Zacapoaxtla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_24.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3044</identifier><datestamp>2026-04-23T23:15:50Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez de Ortega, Carmen, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-16T19:48:27Z</dc:date>
   <dc:date>2025-10-24T04:29:10Z</dc:date>
   <dc:date>2024-09-16T19:48:27Z</dc:date>
   <dc:date>1950-12-09</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3044</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1950Teleg_106.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4432</identifier><datestamp>2026-05-14T09:00:45Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>La explotación de carbón vegetal en la región central de la República</dc:title>
   <dc:creator>Oficina de Estadística Forestal y de Caza y Pesca</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Recursos naturales</dc:subject>
   <dc:subject>Condiciones económicas</dc:subject>
   <dc:subject>Conservación de la naturaleza</dc:subject>
   <dc:subject>Aspectos ambientales</dc:subject>
   <dc:subject>Biología de la conservación</dc:subject>
   <dc:subject>Conservación de la biodiversidad</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año III, No.11, Junio-Agosto, 83-103 p.</dc:description>
   <dc:date>2026-05-13T16:51:07Z</dc:date>
   <dc:date>1938</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4432</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de Departamento Forestal y de Caza y Pesca</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BDF1128.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/592</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Arcillas, arenas, gravas y yeso en una comarca septentrional del Estado de Coahuila</dc:title>
   <dc:creator>Cumming, Jorge L.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Arcilla - Análisis</dc:subject>
   <dc:subject>Suelos arcillosos</dc:subject>
   <dc:subject>Yeso</dc:subject>
   <dc:subject>Industria de arenas y gravas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo IV, 81-82 p.</dc:description>
   <dc:date>2023-01-17T20:06:55Z</dc:date>
   <dc:date>2025-10-22T00:03:47Z</dc:date>
   <dc:date>2023-01-17T20:06:55Z</dc:date>
   <dc:date>1930</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/592</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geología</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ai103.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/715</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Hidrogeología de la zona de Tenango del Valle, Almoloya del Rio, Amomolulco y sus vertientes en el Estado de México</dc:title>
   <dc:creator>Hernández, Apolinar</dc:creator>
   <dc:creator>Blásquez Lopez, Luis</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Hidrogeología</dc:subject>
   <dc:subject>Flujo de agua subterránea</dc:subject>
   <dc:subject>Geología - México</dc:subject>
   <dc:subject>Aguas subterráneas</dc:subject>
   <dc:subject>Estado de México</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo VI, 47-99 p.</dc:description>
   <dc:date>2023-01-17T20:07:01Z</dc:date>
   <dc:date>2025-10-22T00:04:34Z</dc:date>
   <dc:date>2023-01-17T20:07:01Z</dc:date>
   <dc:date>1936</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/715</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geología</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ai133.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1505</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Enyaliosaurus quinquecarinatus</dc:title>
   <dc:creator>Dugés, Alfredo</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Zoología</dc:subject>
   <dc:subject>Iguanas</dc:subject>
   <dc:subject>Reptiles</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo II Serie Segunda, 523-524 p.</dc:description>
   <dc:date>2023-11-29T23:09:26Z</dc:date>
   <dc:date>2025-10-22T00:15:45Z</dc:date>
   <dc:date>2023-11-29T23:09:26Z</dc:date>
   <dc:date>1891-1896</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1505</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz704.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4730</identifier><datestamp>2026-05-14T09:00:49Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Vocabulario Tecnológico de Geohidrología</dc:title>
   <dc:creator>De la O., Alfonso</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Desarrollo de recursos hidrológicos</dc:subject>
   <dc:subject>Aguas subterráneas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 23, No. 6, Noviembre-Diciembre, 99-116 p.</dc:description>
   <dc:date>2026-05-13T17:00:17Z</dc:date>
   <dc:date>1942</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4730</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Irrigación en México</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Comisión Nacional de Irrigación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/IMex1426.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2971</identifier><datestamp>2026-04-23T23:15:50Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez Feria, Y., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Octubre 19 de 1918. Pase a la Estación Sismológico Central.</dc:description>
   <dc:date>2024-09-15T21:03:03Z</dc:date>
   <dc:date>2025-10-24T04:26:49Z</dc:date>
   <dc:date>2024-09-15T21:03:03Z</dc:date>
   <dc:date>1918-10-18</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2971</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1918Teleg_31.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2090</identifier><datestamp>2026-04-23T23:15:51Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Veracruz</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Sin remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Veracruz</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Pasado-7-25-932</dc:description>
   <dc:date>2024-09-15T21:03:46Z</dc:date>
   <dc:date>2025-10-24T04:06:53Z</dc:date>
   <dc:date>2024-09-15T21:03:46Z</dc:date>
   <dc:date>1932-07-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2090</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Veracruz, Ver.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_82.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1346</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Necrología. Noticia del fallecimiento del Sr. Dr. D. Jesús Sánchez</dc:title>
   <dc:creator>Villada, Manuel M.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Científicos - México - Biografía - Siglo XIX</dc:subject>
   <dc:subject>Ciencia - México - Historia - Siglo XIX</dc:subject>
   <dc:subject>Científicos - Aspectos sociales</dc:subject>
   <dc:subject>Científicos - Discursos, ensayos, conferencias - Siglo XIX</dc:subject>
   <dc:subject>Naturalistas - México - Biografía</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I Serie Tercera, No.3, LXVII p.</dc:description>
   <dc:date>2024-03-15T00:03:47Z</dc:date>
   <dc:date>2025-10-22T00:12:29Z</dc:date>
   <dc:date>2024-03-15T00:03:47Z</dc:date>
   <dc:date>1912</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1346</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz788.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2780</identifier><datestamp>2026-04-23T23:15:51Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Manzanillo, Colima</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Fernández, Mercedes de, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Manzanillo (Colima)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:41:35Z</dc:date>
   <dc:date>2025-10-24T04:21:12Z</dc:date>
   <dc:date>2024-09-17T21:41:35Z</dc:date>
   <dc:date>1968-08-09</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2780</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Manzanillo, Col.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1968Teleg_77.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/770</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Radium</dc:title>
   <dc:creator>Calvert, Albert F.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Análisis radioquímico</dc:subject>
   <dc:subject>Química analítica</dc:subject>
   <dc:subject>Radio (Química)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I, Junio, No.10, 121-122 p.</dc:description>
   <dc:date>2024-07-30T00:27:20Z</dc:date>
   <dc:date>2025-10-22T00:04:57Z</dc:date>
   <dc:date>2024-07-30T00:27:20Z</dc:date>
   <dc:date>1904</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/770</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales mexicanos : revista científico-recreativa, consagrada a la minería, comercio, agricultura e industria de la República</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>[editor no identificado]</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Amr864.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1465</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Necrología. El Sr. Dr. D. Eugenio Dugés</dc:title>
   <dc:creator>Galindo Villa, Jesús</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Naturistas - México - Biografía</dc:subject>
   <dc:subject>Científicos - Discursos, ensayos, conferencias - Siglo XIX</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo II Serie Segunda, 452 p.</dc:description>
   <dc:date>2023-11-29T23:09:21Z</dc:date>
   <dc:date>2025-10-22T00:14:53Z</dc:date>
   <dc:date>2023-11-29T23:09:21Z</dc:date>
   <dc:date>1891-1896</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1465</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz686.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4521</identifier><datestamp>2026-05-14T09:00:50Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Estudio tectónico preliminar del Istmo de Tehuantepec, en base a imágenes del satélite -ERTS-1</dc:title>
   <dc:creator>Meritano Arenas, Jacinto</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Geología estructural</dc:subject>
   <dc:subject>Monitores ambientales - Procesamiento de datos</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 24, 107-116 p.</dc:description>
   <dc:date>2026-05-13T16:58:24Z</dc:date>
   <dc:date>1978-1979</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4521</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geofísica</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/AIGeF1217.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/785</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Apuntes para la Monografía de los Crótalos de México</dc:title>
   <dc:creator>Dugés, Alfredo</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Zoología</dc:subject>
   <dc:subject>(Animales mexicanos)</dc:subject>
   <dc:subject>Serpientes – México</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo IV, No.1-2, 1-34 p.</dc:description>
   <dc:date>2023-03-03T20:20:50Z</dc:date>
   <dc:date>2025-10-22T00:05:03Z</dc:date>
   <dc:date>2023-03-03T20:20:50Z</dc:date>
   <dc:date>1877-1879</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/785</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz237.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2495</identifier><datestamp>2026-04-23T23:15:51Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:27:59Z</dc:date>
   <dc:date>2025-10-24T04:14:10Z</dc:date>
   <dc:date>2024-09-17T00:27:59Z</dc:date>
   <dc:date>1967-10-16</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2495</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_348.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3594</identifier><datestamp>2026-04-23T23:15:52Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Coatzacoalcos, Veracruz</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>López, M., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Coatzacoalcos (Veracruz)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:01Z</dc:date>
   <dc:date>2025-10-24T04:50:45Z</dc:date>
   <dc:date>2024-09-15T23:05:01Z</dc:date>
   <dc:date>1942-11-11</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3594</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Coatzacoalcos, Ver.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_153.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1594</identifier><datestamp>2026-04-23T23:15:52Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Mérida, Yucatán</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Acosta, Rafael, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Mérida (Yucatán)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:16:30Z</dc:date>
   <dc:date>2025-10-24T04:02:22Z</dc:date>
   <dc:date>2024-09-17T00:16:30Z</dc:date>
   <dc:date>1952-01-18</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1594</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Mérida, Yuc.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1952Teleg_9.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2926</identifier><datestamp>2026-04-23T23:15:52Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Santo Domingo Tehuantepec, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Rios Ruiz, Aaron, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Santo Domingo Tehuantepec (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:32:26Z</dc:date>
   <dc:date>2025-10-24T04:25:24Z</dc:date>
   <dc:date>2024-09-17T21:32:26Z</dc:date>
   <dc:date>1966-03-24</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2926</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tehuantepec, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1966Teleg_58.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4773</identifier><datestamp>2026-05-14T09:00:52Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Al Margen</dc:title>
   <dc:creator>Solana Gutierrez, Manuel</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Desarrollo de recursos hidrológicos</dc:subject>
   <dc:subject>Aguas subterráneas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 25 , No. 4, Octubre-Noviembre-Diciembre, 1 p.</dc:description>
   <dc:date>2026-05-13T17:00:50Z</dc:date>
   <dc:date>1944</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4773</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Irrigación en México</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Comisión Nacional de Irrigación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/IMex1469.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2453</identifier><datestamp>2026-04-23T23:15:52Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Tenorio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:52Z</dc:date>
   <dc:date>2025-10-24T04:13:16Z</dc:date>
   <dc:date>2024-09-15T23:05:52Z</dc:date>
   <dc:date>1937-12-28</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2453</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_180.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1678</identifier><datestamp>2026-04-23T23:15:53Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Mishuatlan, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Pedro, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Mishuatlan (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio y Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:24Z</dc:date>
   <dc:date>2025-10-24T04:02:50Z</dc:date>
   <dc:date>2024-09-15T22:15:24Z</dc:date>
   <dc:date>1931-11-02</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1678</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Mishuatlan, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_157.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2290</identifier><datestamp>2026-04-23T23:15:53Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Guadalajara, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Del Rio, B., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Guadalajara (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Pasado 6 junio 1932</dc:description>
   <dc:date>2024-09-15T21:03:55Z</dc:date>
   <dc:date>2025-10-24T04:10:05Z</dc:date>
   <dc:date>2024-09-15T21:03:55Z</dc:date>
   <dc:date>1932-06-04</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2290</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Guadalajara, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1932Teleg_106.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4479</identifier><datestamp>2026-05-14T09:00:54Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Albedo de rayos cósmicos en el campo magnético del dipolo y cuadripolo terrestres</dc:title>
   <dc:creator>Gall, Ruth</dc:creator>
   <dc:creator>Lifshitz, Jaime</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Rayos cósmicos</dc:subject>
   <dc:subject>Astrofísica</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol. 2, 29-42 p.</dc:description>
   <dc:date>2026-05-13T16:58:10Z</dc:date>
   <dc:date>1956</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4479</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geofísica</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/AIGeF1175.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3069</identifier><datestamp>2026-04-23T23:15:53Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara Fernández, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:28:22Z</dc:date>
   <dc:date>2025-10-24T04:29:59Z</dc:date>
   <dc:date>2024-09-17T00:28:22Z</dc:date>
   <dc:date>1962-03-18</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3069</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1962Teleg_37.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4122</identifier><datestamp>2026-04-23T23:15:54Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Zacatecas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Ruiseco, Andres, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Zacatecas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T21:03:19Z</dc:date>
   <dc:date>2025-10-24T05:17:28Z</dc:date>
   <dc:date>2024-09-15T21:03:19Z</dc:date>
   <dc:date>1912-12-06</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4122</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Zacatecas, Zac.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1912Teleg_51.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3316</identifier><datestamp>2026-04-23T23:15:54Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Santo Domingo Tehuantepec, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Rios Ruiz, Aaron, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Santo Domingo Tehuantepec (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:32:23Z</dc:date>
   <dc:date>2025-10-24T04:38:59Z</dc:date>
   <dc:date>2024-09-17T21:32:23Z</dc:date>
   <dc:date>1966-02-27</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3316</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tehuantepec, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1966Teleg_40.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3520</identifier><datestamp>2026-04-23T23:15:54Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Dr. Rueda, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:03Z</dc:date>
   <dc:date>2025-10-24T04:47:27Z</dc:date>
   <dc:date>2024-09-15T22:15:03Z</dc:date>
   <dc:date>1931-02-13</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3520</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1931Teleg_57.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4537</identifier><datestamp>2026-05-14T09:00:56Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Los ruidos eléctricos de la atmósfera en la República Mexicana</dc:title>
   <dc:creator>Merino y Coronado, José</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Ciencias atmosféricas</dc:subject>
   <dc:subject>Modelos atmosféricos</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Vol.26, 151-158 p.</dc:description>
   <dc:date>2026-05-13T16:58:30Z</dc:date>
   <dc:date>1980</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4537</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales del Instituto de Geofísica</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>UNAM, Instituto de Geofísica</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/AIGeF1233.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2713</identifier><datestamp>2026-04-23T23:15:55Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Veracruz</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Domínguez Aguirre, Ernesto, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Veracruz</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:50:40Z</dc:date>
   <dc:date>2025-10-24T04:19:23Z</dc:date>
   <dc:date>2024-09-17T21:50:40Z</dc:date>
   <dc:date>1949-08-08</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2713</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Veracruz, Ver.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1949Teleg_13.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1895</identifier><datestamp>2026-04-23T23:15:55Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Loreto, Baja California Sur</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Villegas, Mendoza, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Loreto (Baja California Sur)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:31Z</dc:date>
   <dc:date>2025-10-24T04:04:36Z</dc:date>
   <dc:date>2024-09-15T22:15:31Z</dc:date>
   <dc:date>1942-02-11</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1895</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Loreto, B. C.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_10.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1096</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Informe que rinde el primer Secretario de la Sociedad de los trabajos presentados en los años de 1879 y 1880</dc:title>
   <dc:creator>Sociedad Mexicana de Historia Natural</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Sociedad Mexicana de Historia Natural</dc:subject>
   <dc:subject>Científicos - Discursos, ensayos, conferencias - Siglo XIX</dc:subject>
   <dc:subject>Escritos académicos</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo V No.9-10, 149-168 p.</dc:description>
   <dc:date>2023-05-31T21:25:19Z</dc:date>
   <dc:date>2025-10-22T00:08:20Z</dc:date>
   <dc:date>2023-05-31T21:25:19Z</dc:date>
   <dc:date>1880-1881</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1096</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz460.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3913</identifier><datestamp>2026-04-23T23:15:55Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Mérida, Yucatán</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Acosta Ocampo, Rafael, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Mérida (Yucatán)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T21:03:13Z</dc:date>
   <dc:date>2025-10-24T05:06:10Z</dc:date>
   <dc:date>2024-09-15T21:03:13Z</dc:date>
   <dc:date>1912-11-19</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3913</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Mérida, Yuc.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1912Teleg_42.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3234</identifier><datestamp>2026-04-23T23:15:56Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara Fernández, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:28:36Z</dc:date>
   <dc:date>2025-10-24T04:35:51Z</dc:date>
   <dc:date>2024-09-17T00:28:36Z</dc:date>
   <dc:date>1962-04-22</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3234</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1962Teleg_65.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3828</identifier><datestamp>2026-04-23T23:15:56Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez de Ortega, Carmen, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:16:39Z</dc:date>
   <dc:date>2025-10-24T05:01:51Z</dc:date>
   <dc:date>2024-09-17T00:16:39Z</dc:date>
   <dc:date>1952-05-16</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3828</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1952Teleg_57.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/450</identifier><datestamp>2025-10-15T09:00:23Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_13</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Zoología</dc:title>
   <dc:creator>Claus, Carl</dc:creator>
   <dc:creator>Nacente y Soler, Francisco</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Enciclopedias</dc:subject>
   <dc:subject>Zoología</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo cuarto, 367 p.</dc:description>
   <dc:date>2023-01-17T18:35:06Z</dc:date>
   <dc:date>2025-10-14T20:22:45Z</dc:date>
   <dc:date>2023-01-17T18:35:06Z</dc:date>
   <dc:date>1890</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/450</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:publisher>Imprenta y litografía de F. Nacente</dc:publisher>
   <dc:source>https://doi.org/10.5962/bhl.title.161021</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2435</identifier><datestamp>2026-04-23T23:15:56Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Gómez, Carmen, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Oaxaca</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T22:15:55Z</dc:date>
   <dc:date>2025-10-24T04:12:54Z</dc:date>
   <dc:date>2024-09-15T22:15:55Z</dc:date>
   <dc:date>1942-07-17</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2435</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Oaxaca, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_71.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4261</identifier><datestamp>2026-04-23T23:15:56Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Puebla</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Tenorio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Puebla</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:20Z</dc:date>
   <dc:date>2025-10-24T05:25:26Z</dc:date>
   <dc:date>2024-09-15T23:05:20Z</dc:date>
   <dc:date>1937-08-11</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4261</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Puebla, Pue.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1937Teleg_84.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4462</identifier><datestamp>2026-05-14T09:00:58Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Tablas de coeficientes mórficos para pino colorado, pino blanco y pino ayacahuite</dc:title>
   <dc:creator>Martínez Moreno, Jesús</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Recursos naturales</dc:subject>
   <dc:subject>Condiciones económicas</dc:subject>
   <dc:subject>Conservación de la naturaleza</dc:subject>
   <dc:subject>Aspectos ambientales</dc:subject>
   <dc:subject>Biología de la conservación</dc:subject>
   <dc:subject>Conservación de la biodiversidad</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año III, No.9, Diciembre-Febrero, 155-181 p.</dc:description>
   <dc:date>2026-05-13T16:51:20Z</dc:date>
   <dc:date>1937-1938</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4462</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de Departamento Forestal y de Caza y Pesca</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BDF1158.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1452</identifier><datestamp>2026-04-24T14:11:47Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Aplicaciones de la electricidad a la agricultura</dc:title>
   <dc:creator>Guarini, Emilio</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Ingeniería eléctrica</dc:subject>
   <dc:subject>Agricultura</dc:subject>
   <dc:subject>Electricidad en agricultura</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I, Octubre, No.24, 286-288 p.</dc:description>
   <dc:date>2024-07-30T00:27:32Z</dc:date>
   <dc:date>2025-10-22T00:14:37Z</dc:date>
   <dc:date>2024-07-30T00:27:32Z</dc:date>
   <dc:date>1904</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1452</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Anales mexicanos : revista científico-recreativa, consagrada a la minería, comercio, agricultura e industria de la República</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>[editor no identificado]</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Amr922.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/3993</identifier><datestamp>2026-04-23T23:15:57Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Zacatecas</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Ruiseco, Andres, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Zacatecas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T21:03:15Z</dc:date>
   <dc:date>2025-10-24T05:10:23Z</dc:date>
   <dc:date>2024-09-15T21:03:15Z</dc:date>
   <dc:date>1912-11-22</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/3993</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Zacatecas, Zac.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1912Teleg_44.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1012</identifier><datestamp>2026-04-24T14:11:48Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Apuntes relativos a la Lennoa Coerulea (Corallophyllum), H. B. y K.</dc:title>
   <dc:creator>Villada, Manuel M.</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Botánica</dc:subject>
   <dc:subject>Manejo de vida silvestre</dc:subject>
   <dc:subject>Conservación de la vida silvestre</dc:subject>
   <dc:subject>Plantas silvestres comestibles</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo V No.13, 213-215 p.</dc:description>
   <dc:date>2023-05-31T21:25:20Z</dc:date>
   <dc:date>2025-10-22T00:07:16Z</dc:date>
   <dc:date>2023-05-31T21:25:20Z</dc:date>
   <dc:date>1880-1881</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1012</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz465.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/138</identifier><datestamp>2026-04-25T14:19:10Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_14</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Outline of the geology and petrology of Surinam (Dutch Guiana)</dc:title>
   <dc:creator>IJzerman, Robert</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Geología</dc:subject>
   <dc:subject>Surinam</dc:subject>
   <dc:subject>Petrología</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>XV, 519 p. : il.</dc:description>
   <dc:date>2023-01-28T00:25:20Z</dc:date>
   <dc:date>2025-10-14T20:06:48Z</dc:date>
   <dc:date>2023-01-28T00:25:20Z</dc:date>
   <dc:date>1931</dc:date>
   <dc:type>Tesis de doctorado</dc:type>
   <dc:type>info:eu-repo/semantics/doctoralThesis</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/138</dc:identifier>
   <dc:language>Inglés</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Utrecht University.</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/thesis/Tes1845.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2382</identifier><datestamp>2026-04-23T23:15:57Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Iguala, Guerrero</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Teran, D., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Iguala (Guerrero)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Oscilatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:03Z</dc:date>
   <dc:date>2025-10-24T04:11:49Z</dc:date>
   <dc:date>2024-09-15T23:05:03Z</dc:date>
   <dc:date>1942-11-24</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2382</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Iguala, Gro.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_169.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2215</identifier><datestamp>2026-04-23T23:15:57Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de San Juan Cacahuatepec, Oaxaca</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Escudero Alarcón, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - San Juan Cacahuatepec (Oaxaca)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: Trepidatorio</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-15T23:05:02Z</dc:date>
   <dc:date>2025-10-24T04:08:47Z</dc:date>
   <dc:date>2024-09-15T23:05:02Z</dc:date>
   <dc:date>1942-11-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2215</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>San Juan Cacahuatepec, Oax.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1942Teleg_167.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2388</identifier><datestamp>2026-04-23T23:15:58Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Chihuahua</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Lara, Refugio, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Chihuahua</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T22:23:34Z</dc:date>
   <dc:date>2025-10-24T04:11:56Z</dc:date>
   <dc:date>2024-09-17T22:23:34Z</dc:date>
   <dc:date>1964-05-07</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2388</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Chihuahua, Chih.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1964Teleg_146.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/2046</identifier><datestamp>2026-04-23T23:15:58Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Tlaquepaque, Jalisco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>Del Rio, J. Rubén, Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Tlaquepaque (Jalisco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T00:27:46Z</dc:date>
   <dc:date>2025-10-24T04:06:18Z</dc:date>
   <dc:date>2024-09-17T00:27:46Z</dc:date>
   <dc:date>1967-07-23</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/2046</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tlaquepaque, Jal.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1967Teleg_310.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/829</identifier><datestamp>2026-04-24T14:11:48Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>De la toba fitolitaria del Valle de Toluca</dc:title>
   <dc:creator>Ehrenberg</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Mineralogía</dc:subject>
   <dc:subject>Geología</dc:subject>
   <dc:subject>Geoquímica</dc:subject>
   <dc:subject>Rocas ígneas</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo III, 118-132 p.</dc:description>
   <dc:date>2023-04-05T06:21:38Z</dc:date>
   <dc:date>2025-10-22T00:05:24Z</dc:date>
   <dc:date>2023-04-05T06:21:38Z</dc:date>
   <dc:date>1874-1876</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/829</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz318.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1773</identifier><datestamp>2026-04-23T23:15:58Z</datestamp><setSpec>com_rdbcct_3</setSpec><setSpec>com_rdbcct_1</setSpec><setSpec>col_rdbcct_6</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Telegrama de Tacotalpa, Tabasco</dc:title>
   <dc:creator>Servicio Sismológico Nacional</dc:creator>
   <dc:contributor>González, G., Remitente</dc:contributor>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Telegrama - México - Tacotalpa (Tabasco)</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>1 hoja</dc:description>
   <dc:description>Tipo de sismo: No registro</dc:description>
   <dc:description>Sin notas</dc:description>
   <dc:date>2024-09-17T21:41:13Z</dc:date>
   <dc:date>2025-10-24T04:03:31Z</dc:date>
   <dc:date>2024-09-17T21:41:13Z</dc:date>
   <dc:date>1968-09-25</dc:date>
   <dc:type>Telegrama</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1773</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:coverage>Tacotalpa, Tab.</dc:coverage>
   <dc:publisher>Telegrafos de México: Departamento de Distribución</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/ai/telegramas/SSNT1968Teleg_1.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/4454</identifier><datestamp>2026-05-14T09:01:00Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Informes mensuales del Departamento. Octubre de 1937</dc:title>
   <dc:creator>Quevedo, Miguel A. de</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Recursos naturales</dc:subject>
   <dc:subject>Condiciones económicas</dc:subject>
   <dc:subject>Conservación de la naturaleza</dc:subject>
   <dc:subject>Aspectos ambientales</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Año III, No.9, Diciembre-Febrero, 47-58 p.</dc:description>
   <dc:date>2026-05-13T16:51:17Z</dc:date>
   <dc:date>1937-1938</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/4454</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>Boletín de Departamento Forestal y de Caza y Pesca</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Talleres Gráficos de la Nación</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/BDF1150.pdf</dc:source>
</oai_dc:dc>
</metadata></record><record><header><identifier>oai:rdbcct.unam.mx:rdbcct/1148</identifier><datestamp>2026-04-24T14:11:48Z</datestamp><setSpec>com_rdbcct_10</setSpec><setSpec>col_rdbcct_11</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
   <dc:title>Adición a los reptiles del Valle de México</dc:title>
   <dc:creator>Dugés, Alfredo</dc:creator>
   <dc:subject>info:eu-repo/classification/cti/1</dc:subject>
   <dc:subject>info:eu-repo/classification/cti/25</dc:subject>
   <dc:subject>info:eu-repo/classification/UNESCO/concept157</dc:subject>
   <dc:subject>info:eu-repo/classification/GeoRef/Earth sciences</dc:subject>
   <dc:subject>Zoología</dc:subject>
   <dc:subject>Reptiles - Identificación</dc:subject>
   <dc:subject>Reptiles - Clasificación</dc:subject>
   <dc:subject>Anfibios</dc:subject>
   <dc:subject>info:eu-repo/classification/LCC/Earth sciences</dc:subject>
   <dc:description>Tomo I Serie Segunda, 205-206 p.</dc:description>
   <dc:date>2023-11-29T23:08:57Z</dc:date>
   <dc:date>2025-10-22T00:09:04Z</dc:date>
   <dc:date>2023-11-29T23:08:57Z</dc:date>
   <dc:date>1887-1890</dc:date>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>https://rdbcct.unam.mx/handle/rdbcct/1148</dc:identifier>
   <dc:language>Español</dc:language>
   <dc:relation>La Naturaleza, Periódico Científico de la Sociedad Mexicana de Historia Natural</dc:relation>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by-nc-sa/4.0/</dc:rights>
   <dc:format>pdf</dc:format>
   <dc:format>text/plain</dc:format>
   <dc:format>application/pdf</dc:format>
   <dc:publisher>Imprenta de Ignacio Escalante y Compañía</dc:publisher>
   <dc:source>https://rdbcct.unam.mx/assets/resources/fh/articles/Ntz580.pdf</dc:source>
</oai_dc:dc>
</metadata></record><resumptionToken completeListSize="4853" cursor="0">oai_dc////100</resumptionToken></ListRecords></OAI-PMH>