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  1. 1
    Industrial bulletin /
    Publicerad 1915

    Tidskrift
  2. 2
    Under the crust. : Turn the soil and you will find all the riches that are needed by man. Secrets of the earth exposed for the benefit of the human race. The golden era now bursting on the United States. Fact and legends of the mountains woven in narrative
    av Winchell, B. L
    Publicerad 1896

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Bok
  3. 3
    The gold fields of Colorado : a brief description of the various gold districts located on and contiguous to the line of the Denver & Rio Grande R.R
    av Hooper, S. K (Shadrick K.)
    Publicerad 1896

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Bok
  4. 4
    Late Cenozoic erosional history of the Raton Mesa region
    av Levings, William S
    Publicerad 1951

    Bok
  5. 5
    There is gold in Colorado and plenty of it! : how and where to find it : being a compilation of the latest information concerning the gold resources of Colorado, including the history of the revival of the old gold camps and the discoveries of many new ones /
    Publicerad 1894

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Bok
  6. 6
    Coal

    Periodisk publikation
  7. 7
    Coal

    Periodisk publikation
  8. 8
    Annual report - Coal Mine Inspection Division

    Tidskrift
  9. 9
    Combined annual reports - Coal Mine Inspection Department

    Periodisk publikation
  10. 10
    Annual report of the state inspector of coal mines

    Periodisk publikation
  11. 11
    Coal deposit, Coal Creek district, Gunnison County Colo. : reserves, coking properties and petrographic and chemical characteristics /
    Publicerad 1952

    Regeringsdokument Bok
  12. 12
    ... The Book Cliffs coal field in Garfield and Mesa counties, Colorado,

    Regeringsdokument Bok
  13. 13
    Colorado's gold fields ; America's most famous gold mining camps
    Publicerad 1897

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Bok
  14. 14
    The gold mines of Kansas and Nebraska /
    av Olmstead, S. R (Samuel R.)
    Publicerad 1950

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Bok
  15. 15
    Report of Smelter and ore sales investigation committee, state of Colorado, 1917
    Publicerad 1917

    Bok
  16. 16
    Coal mining in Colorado's northern field /
    av Conarroe, Carolyn
    Publicerad 2001

    Bok
  17. 17
    1975 summary of coal resources in Colorado /
    av Hornbaker, A. L
    Publicerad 1976

    Bok
  18. 18
    List of operating mines in various counties in Colorado
    Publicerad 1944

    Bok
  19. 19
    Mineral industries bulletin

    Tidskrift
  20. 20
    Oil shale, tar sands, and related materials /
    Publicerad 1981

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Konferenspublikation Bok
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