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  <titleInfo>
    <title>Contaminación de aguas subterráneas en la cuenca del Río Navacerrada, Madrid, España</title>
  </titleInfo>
  <name type="personal">
    <namePart>Alcalde, José A.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Martinez Alvarez, F.</namePart>
  </name>
  <name type="corporate">
    <namePart>Instituto de Geología y Minería</namePart>
    <role>
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    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
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  <abstract>The quality of subterre su water has boen studied on three representatives places, of the (Moralzarzal, Becerril of the Sierra, and Cerceda) river bazin -Madrid, España-, to prove, that the existence of the acuiferous contamination, which was of viologic nature and sprang from by the adding of black waters.</abstract>
  <note>Relevamiento: 1977.</note>
  <subject>
    <topic>Agua contaminada</topic>
  </subject>
  <subject>
    <topic>Agua subterránea</topic>
  </subject>
  <subject>
    <topic>Hidrogeología</topic>
  </subject>
  <subject authority="lcsh">
    <geographic>España</geographic>
  </subject>
  <subject authority="lcsh">
    <geographic>Rio Navacerrada</geographic>
  </subject>
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    <titleInfo>
      <title>Revista del Instituto de Geología y Minería</title>
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    <identifier type="issn">0326-9817</identifier>
    <part>
      <text>no.2, p.61-70</text>
    </part>
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    <recordCreationDate encoding="marc">251215</recordCreationDate>
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