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  <titleInfo>
    <title>Earth tunneling with steel supports</title>
  </titleInfo>
  <name type="personal">
    <namePart>Proctor, Robert V. (Robert Videtto)</namePart>
    <namePart type="date">1890-1967</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>White, Thomas Lester.</namePart>
  </name>
  <name type="personal">
    <namePart>Terzaghi, Karl</namePart>
    <namePart type="date">1883-1963</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">biography</genre>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">xxu</placeTerm>
    </place>
    <place>
      <placeTerm type="text">Youngstown, Ohio</placeTerm>
    </place>
    <publisher>Commercial Shearing,Inc</publisher>
    <dateIssued>c1977</dateIssued>
    <dateIssued encoding="marc">1977</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <extent>247 pages : illustrations, photographs.</extent>
  </physicalDescription>
  <note type="statement of responsibility">by Robert V. Proctor and Thomas L. White.</note>
  <note>Glossary : pages 245-247.</note>
  <note>las secciones relacionadas con las investigaciones geologicas fueron preparadas por Karl Terzaghi.</note>
  <note>References : pages 244.</note>
  <subject authority="">
    <topic>Tunnels</topic>
  </subject>
  <subject authority="">
    <topic>Túneles</topic>
  </subject>
  <subject authority="">
    <topic>Ground control (Mining)</topic>
  </subject>
  <subject authority="">
    <topic>Control de tierras (Minería)</topic>
  </subject>
  <subject authority="">
    <topic>Geología estructural</topic>
  </subject>
  <subject authority="">
    <topic>Geología estructural</topic>
  </subject>
  <classification authority="ddc" edition="20">624.19</classification>
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