<?xml version="1.0" encoding="UTF-8"?>
<mods xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/mods/v3" version="3.1" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-1.xsd">
  <titleInfo>
    <nonSort>El </nonSort>
    <title>Valle del Yaqui, Sonora ; su desarrollo agrícola, utilización de recursos y potencial económico</title>
  </titleInfo>
  <name type="personal">
    <namePart>Silos A., José S.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Freebairn, Donald K.</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="text">Chapingo, Méx</placeTerm>
    </place>
    <publisher>ENA. Colegio de Postgraduados. Centro de Economía Agrícola</publisher>
    <dateIssued>1970</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <physicalDescription>
    <extent>183 p.</extent>
  </physicalDescription>
  <subject>
    <topic>Recursos naturales</topic>
    <topic>Sonora</topic>
  </subject>
  <subject>
    <topic>Sonora</topic>
    <topic>Condiciones económicas</topic>
  </subject>
  <subject>
    <topic>Sonora</topic>
    <topic>Condiciones rurales</topic>
  </subject>
  <classification authority="ddc">338.9721 S5</classification>
  <relatedItem type="series">
    <titleInfo>
      <title>Investigaciones técnicas ; 7</title>
    </titleInfo>
  </relatedItem>
  <identifier type="lccn">54756</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg"/>
    <recordCreationDate encoding="marc">971013</recordCreationDate>
    <recordChangeDate encoding="iso8601">20220329140619.0</recordChangeDate>
  </recordInfo>
</mods>
