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  1. 1

    Geology of the Eldorado Springs quadrangle, Boulder and Jefferson Counites, Colorado, by John D. Wells by Wells, John David, 1926-

    Published: U.S. Govt. Print. Off., 1967
    Description: v, 85 pages : illustrations, maps (1 folded color in pocket) ; 24 cm.
    Book
  2. 2

    Nickel deposit near Gold Hill, Boulder County, Colorado by Goddard, Edwin N. (Edwin Newell), 1904-1997

    Published: U.S. Govt. Print. Off., 1942
    Description: iii, 349-362 pages : maps (part folded) ; 24 cm.
    Book
  3. 3

    Nickel deposit near Gold Hill, Boulder County, Colorado by Goddard, Edwin N. (Edwin Newell), 1904-1997, Lovering, T. S. (Thomas Seward), 1896-1991

    Published: United States Department of the Interior, Geological Survey, 1942
    Description: 1 online resource (iii, 349-362 pages, 59-60 pages of plates) : illustrations, maps (some color).
    Government Document eBook