Showing 1 - 20 results of 24 for search '"authority"', query time: 0.30s Refine Results
  1. 1
    Rock-strata gases of Cripple Creek district, Colo., and their effect on mining.
    Published 1930
    Subjects: “...Gases. http://id.loc.gov/authorities/subjects/sh85053380...”
    Connect to the full text of this electronic document
    Government Document eBook
  2. 2
    Pumping operations in Cripple Creek district, Colo.
    Published 1937
    Subjects: “...Geology. http://id.loc.gov/authorities/subjects/sh85054037...”
    Electronic resource (PDF)
    Government Document eBook
  3. 3
    Low--temperature distillation tests of subbituminous coal from Denver region coal field, Colorado; by W. H. Ode and W. A. Selvig.
    Published 1937
    Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
    Electronic resource (PDF)
    Government Document eBook
  4. 4
    Pumping operations in Cripple Creek district, Colo.
    Published 1937
    Subjects: “...Geology. http://id.loc.gov/authorities/subjects/sh85054037...”
    Electronic resource (PDF)
    Government Document eBook
  5. 5
    Analyses of Colorado coals.
    Published 1937
    Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
    Electronic resource (PDF)
    Government Document eBook
  6. 6
    Placer operations of Humphreys Gold Corporation, Clear Creek, Colo.
    Published 1937
    Subjects: “...Gold. http://id.loc.gov/authorities/subjects/sh85055692...”
    Electronic resource (PDF)
    Government Document eBook
  7. 7
    Placer operations of Humphreys Gold Corporation, Clear Creek, Colo.
    Published 1937
    Subjects: “...Gold. http://id.loc.gov/authorities/subjects/sh85055692...”
    Electronic resource (PDF)
    Government Document eBook
  8. 8
    Mining and milling methods and costs at Summitville Consolidated Mines, Inc., Summitville, Colo.
    Published 1938
    Subjects: “...Gold. http://id.loc.gov/authorities/subjects/sh85055692...”
    Electronic resource (PDF)
    Government Document eBook
  9. 9
    Mining and milling methods and costs at Summitville Consolidated Mines, Inc., Summitville, Colo.
    Published 1938
    Subjects: “...Gold. http://id.loc.gov/authorities/subjects/sh85055692...”
    Electronic resource (PDF)
    Government Document eBook
  10. 10
    Rock-strata gases in Cripple Creek district and their effect on mining.
    Published 1928
    Subjects: “...Gases. http://id.loc.gov/authorities/subjects/sh85053380...”
    Connect to the full text of this electronic document
    Government Document eBook
  11. 11
    Friability, slacking characteristics, and low--temperature carbonization assays of subbituminous coals of Denver (Colo.) region.
    Published 1939
    Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
    Electronic resource (PDF)
    Government Document eBook
  12. 12
    Some physical and chemical data on Colorado oil shale.
    Published 1920
    Subjects: “...Mines and mineral resources. http://id.loc.gov/authorities/subjects/sh85085614...”
    Connect to the full text of this electronic document
    Government Document eBook
  13. 13
    Mining and milling methods and costs at Alice unit of American Smelting & Refining Co., Alice, Colo.
    Published 1939
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
  14. 14
    Operations and costs at St. Joe Mining & Milling Co., Boulder, Colo.
    Published 1937
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
  15. 15
    Operations and costs at St. Joe Mining & Milling Co., Boulder, Colo.
    Published 1937
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
  16. 16
    Mining and milling methods and costs at Alice unit of American Smelting & Refining Co., Alice, Colo.
    Published 1939
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
  17. 17
    Carbonizing properties of subbituminous coal from Puritan mine, Dacono, Weld County, Colo.
    Published 1939
    Subjects: “...Coal. http://id.loc.gov/authorities/subjects/sh85027307...”
    Electronic resource (PDF)
    Government Document eBook
  18. 18
    New Albany shale of Indiana.
    Published 1922
    Subjects: “...Oil-shales. http://id.loc.gov/authorities/subjects/sh85094361...”
    Connect to the full text of this electronic document
    Government Document eBook
  19. 19
    Mineral market reports, Jan. 10, 1938.
    Published 1938
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
  20. 20
    Mineral market reports, Jan. 9, 1939.
    Published 1939
    Subjects: “...Mineral industries. http://id.loc.gov/authorities/subjects/sh85085548...”
    Electronic resource (PDF)
    Government Document eBook
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