TY - BOOK AU - Moench,Robert Hadley AU - Drake,Avery Ala ED - U.S. Atomic Energy Commission. TI - Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado, T2 - U.S. Geological Survey. Bulletin, AV - TN24.C6 M6 no. 1208 U1 - 553.0978861 PY - 1966/// CY - Washington PB - U.S. Govt. Print. Off. KW - Geology, Economic KW - Colorado KW - Idaho Springs Region KW - Ore deposits KW - Mines and mineral resources N1 - Part of illustrative matter folded in pocket; Prepared on behalf of the U.S. Atomic Energy Commission; Bibliography: p. 89-91 ER -