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  <titleInfo>
    <nonSort>Los </nonSort>
    <title>yacimientos de carbón de la región de Santa Clara, municipio de San Javier, estado de Sonora</title>
  </titleInfo>
  <name type="personal">
    <namePart>Wilson, Ivan F. (Ivan Franklin)</namePart>
    <namePart type="date">1916-</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Rocha, Victor Santiago</namePart>
    <role>
      <roleTerm type="text">joint author.</roleTerm>
    </role>
  </name>
  <name type="corporate">
    <namePart>Geological Survey (U.S.)</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">mx</placeTerm>
    </place>
    <place>
      <placeTerm type="text">México, D.F</placeTerm>
    </place>
    <dateIssued>1946</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>2 p. l., vi, 108 p. illus., pl. maps (1 in pocket) plans, tables, diagrs. 23 cm.</extent>
  </physicalDescription>
  <note type="statement of responsibility">por Ivan F. Wilson ... y Victor S. Rocha.</note>
  <note>"Informe preparado en colaboración con el Geological survey, U.S. Dept. of the interior y publicado bajo el patrocinio de la Secretaria de la economia nacional."</note>
  <note>Part of the illustrative matter is folded.</note>
  <note>Bibliographical footnotes.</note>
  <subject>
    <geographicCode authority="marcgac">n-mx---</geographicCode>
  </subject>
  <subject authority="lcsh">
    <topic>Coal</topic>
    <geographic>Mexico</geographic>
    <geographic>Sonora (State)</geographic>
  </subject>
  <subject authority="lcsh">
    <topic>Coal mines and mining</topic>
    <geographic>Mexico</geographic>
    <geographic>Sonora (State)</geographic>
  </subject>
  <classification authority="lcc">TN28 .A336 no. 9</classification>
  <relatedItem type="series">
    <titleInfo>
      <title>Mexico. Comité directivo para la investigación de los recursos minerales de Mexico. Boletín núm. 9</title>
    </titleInfo>
  </relatedItem>
  <identifier type="lccn">gs 48000294</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">U. S. Geol. Survey. Libr.</recordContentSource>
    <recordCreationDate encoding="marc">781116</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260227111354.0</recordChangeDate>
    <recordIdentifier source="DLC">gs 48000294 </recordIdentifier>
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