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  • Graphite [microform].

    • Text
    • Washington, D.C. : [s.n.], 1929.
    • 1929

  • Clay [microform]

    • Text
    • Washington, D.C. : [s.n.], 1929.
    • 1929

  • Mining laws of Yugoslavia [microform]

    • Text
    • Washington, D.C. : [s.n.], 1929.
    • 1929

  • Radium [microform]

    • Text
    • Washington, D.C. : [s.n.], 1930.
    • 1930

  • Cobalt [microform]

    • Text
    • Washington, D.C. : [s.n.], 1930.
    • 1930

  • Bromine and iodine [microform]

    • Text
    • Washington, D.C. : [s.n.], 1930.
    • 1930

  • Platinum [microform]

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

  • Magnesium compounds (other than magnesite) [microform]

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

  • Magnesite [microform]

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

  • Hafnium [microform]

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

  • Bismuth [microform]

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

  • Rhenium (and masurium) [microform]

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

  • Abrasive and industrial diamonds [microform]

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

  • Sodium and potassium metals [microform]

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

  • Public services for identification of mineral specimens [microform]

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

  • Molybdenum industry in 1931; advance summary [microform]

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

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