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Edition cover

Rock tunneling with steel supports

  • Robert V. Proctor

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Genres

  • Tunneling
  • Structural Geology
  • Fundacoes E Escavacoes
  • Perfuracao E Desmonte Em Mineracao
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About the author

  • Robert V. Proctor

    1890 - 1967

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    0 ratings · 2 works

Editions

  • Edition cover

    [Commercial Shearing & Stamping Co.]

    1946

  • Edition cover

    [Rev.].

    Commercial Shearing

    1977