Showing 1 - 12 results of 12 for search '"Mines and mineral resources."', query time: 0.06s Refine Results
  1. 1

    Gypsum deposits of the United States, by R.W. Stone and others. [U.S. Geological Survey Bulletin 697.].

    Published 1920
    Subjects:
    Online Access
    Government Document Electronic eBook
  2. 2

    The enrichment of sulphide ores by William Harvey Emmons. [Bulletin 529.]

    Published 1913
    Subjects:
    Online Access
    Government Document Electronic eBook
  3. 3

    Mineral Resources of the United States, calendar year 1912. Part I. -- Metals.

    Published 1913
    Subjects:
    Online Access
    Government Document Electronic eBook
  4. 4
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  10. 10

    Mineral Resources of the United States, calendar year 1913. Part I. -- Metals.

    Published 1915
    Subjects:
    Online Access
    Government Document Electronic eBook
  11. 11

    Minerals yearbook, 1938. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Published 1937
    Subjects:
    Online Access
    Government Document Electronic eBook
  12. 12

    Minerals Yearbook, 1937. Compiled under the supervision of H.H. Hughes, Economics and Statistics Branch.

    Published 1937
    Subjects:
    Online Access
    Government Document Electronic eBook
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