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SUBJECTS (1-3 之 3)
Colorado Geology Boulder County
1 Geology and ore deposits of the Boulder County tungsten district, Colorado, Lovering, T. S. (Thomas Seward), 1896-1991. Washington, U.S. Govt. Print. Off., 1953. 1953 評級: 複本
2 Geology and uranium deposits of the Caribou area, Boulder County, Colorado Moore, Frank B. (Frank Baker), 1912- Washington [D.C.] : U.S. G.P.O., 1957. 1957 評級: 複本
3 Geology of the Eldorado Springs quadrangle, Boulder and Jefferson Counites, Colorado, by John D. Wel Wells, John D. Washington, U.S. Govt. Print. Off., 1967. 1967 評級: 複本
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Geology and ore deposits of the Boulder County tungsten district, Colorado,