01803oam 2200493 450 991070629670332120170927104503.0(CKB)5470000002455466(OCoLC)891598785(OCoLC)995470000002455466(EXLCZ)99547000000245546620140929d1960 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology and ore deposits of the Summitville district, San Juan Mountains, Colorado /by Thomas A. Steven and James C. Ratté; prepared in cooperation with the Colorado Metal Mining Fund BoardWashington :United States Department of the Interior, Geological Survey,1960.1 online resource (iv, 70 pages) illustrations, maps +5 platesGeological Survey professional paper ;343Title from title screen (viewed September 29, 2014).Includes bibliographical references (pages 66-67) and index.GeologyColoradoOre depositsColoradoPetrologyColoradoGeologySan Juan Mountains (Colo. and N.M.)GeologyOre depositsPetrologyGeologySteven Thomas A(Thomas August),1917-2013,1388925Ratté James Clifford1925-Geological Survey (U.S.),Colorado State Metal Mining Fund.COPCOPOCLCOOCLCAGPOBOOK9910706296703321Geology and ore deposits of the Summitville district, San Juan Mountains, Colorado3501435UNINA