Research Catalog

  • Sampling and estimation of ore deposits [microform]

    • Text
    • [Washington?] : U.S. G.P.O., 1932.
    • 1932
  • Gold mining and milling in U.S. and Canada [microform] : current practices and costs

    • Text
    • [Washington?] : U.S. G.P.O., 1932.
    • 1932
  • Methods of mining disseminated lead ore at mine in southeast Missouri district [microform]

    • Text
    • Washington, D.C. : [s.n.], 1929.
    • 1929
  • Mining ore in open stopes, central and eastern U.S. [microform]

    • Text
    • Washington, D.C. : [s.n.], 1931.
    • 1931
  • Shrinkage stoping [microform]

    • Text
    • Washington, D.C. : [s.n.], 1930.
    • 1930
  • Some notes on underground transportation [microform]

    • Text
    • Washington, D.C. : [s.n.], 1931.
    • 1931
  • Mining by top-slicing method, with some notes on sublevel caving [microform]

    • Text
    • Washington, D.C. : [s.n.], 1931.
    • 1931
  • Underground chute gates in metal mines [microform]

    • Text
    • Washington, D.C. : [s.n.], 1931.
    • 1931
  • Small-scale placer-mining methods [microform]

    • Text
    • Washington, D.C. : [s.n.], 1932.
    • 1932
  • Shaft-sinking methods and costs, and cost of plant and equipment at Macassa mine, Kirkland Lake, Ontario [microform]

    • Text
    • Washington, D.C. : [s.n.], 1932.
    • 1932

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