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  1. 21
    Gold mineralization of Colorado's Rio Grande Rift : fall field guidebook, 19-20 September 1987 /
    Published 1987

    Book
  2. 22
    Bibliography of Colorado mining history /
    by Smith, Arthur E., Jr
    Published 1993

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  3. 23
    Placer mining /
    Published 1994

    Book
  4. 24
    Middle Jurassic Todilto Formation of northern New Mexico and southwestern Colorado : marine or nonmarine? /
    by Kirkland, Douglas W
    Published 1995

    Book
  5. 25
    Going global : the quarterly shifts focus
    Published 1998

    Book
  6. 26
    Annual report
    Published 1954

    Serial
  7. 27
    Annual report
    Published 1964

    Serial
  8. 28
    Mineral resources survey of Mesa County : a model study /
    by Schwochow, S. D
    Published 1978

    Book
  9. 29
    Stratigraphy and petroleum potential of Trout Creek and Twentymile Sandstones (Upper Cretaceous), Sand Wash Basin, Colorado /
    by Siepman, Bret R
    Published 1985

    Book
  10. 30
    The ore deposits of the Rico Mountains, Colorado,

    Book
  11. 31
    Algal limestones within the Minturn Formation, Meeker to Dotsero area, western Colorado /
    by Irtem, Oguz
    Published 1983

    Book
  12. 32
    Mineral resources of Colorado, first sequel
    Published 1960

    Book
  13. 33
    Colorado /
    Published 1992

    Government Document Serial
  14. 34
    Geophysical investigations at Caribou, Colo

    Book
  15. 35
    1990 summary of coal resources in Colorado /
    Published 1991

    Government Document Book
  16. 36
    Proceedings of the 1985 Conference on Coal Mine Subsidence in the Rocky Mountain Region : held in Colorado Springs, October 28, 29, & 30, 1985 /
    Published 1986

    Conference Proceeding Book
  17. 37
    Colorado mining : a photographic history /
    by Smith, Duane A
    Published 1977

    Book
  18. 38
    The mines of Colorado

    Book
  19. 39
    Oil and gas fields of Colorado : statistical data /
    by Jones, David C., 1950-
    Published 1976

    Book
  20. 40
    Coal mines of Colorado : statistical data /
    by Jones, David C., 1950-
    Published 1976

    Book
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