02108oam 2200517 450 991070439290332120160315115903.0(CKB)5470000002439752(OCoLC)891383040(OCoLC)889893176(EXLCZ)99547000000243975220140926d1966 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEconomic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado /by Robert H. Moench and Avery Ala Drake, Jr. ; prepared on behalf of the U. S. Atomic Energy Commission[Washington, D.C.] :United States Department of the Interior, Geological Survey,1966.Washington :United States Government Printing Office.1 online resource (v, 91 pages, 3 pages of plates) illustrations, maps (some color)Geological Survey bulletin ;1208Title from title screen (viewed September 15, 2014).Includes bibliographical references (pages 89-91).Economic geology, Idaho Springs district, ColoradoOre depositsColoradoClear Creek CountyMines and mineral resourcesColoradoClear Creek CountyGeology, EconomicColoradoGilpin CountyOre depositsColoradoGilpin CountyMines and mineral resourcesColoradoGilpin CountyOre depositsMines and mineral resourcesGeology, EconomicOre depositsMines and mineral resourcesMoench Robert Hadley1926-1400505Drake Avery Ala1927-Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOGPOBOOK9910704392903321Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado3473428UNINA