02111oam 2200541 450 991070679570332120171226084711.0(CKB)5470000002457496(OCoLC)896810010(OCoLC)995470000002457496(EXLCZ)99547000000245749620141123d1969 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology and mineral deposits of the Poncha Springs NE quadrangle, Chaffee County, Colorado /by Ralph E. Van Alstine; with a section on Fluorspar mines and prospects, by Ralph E. Van Alstine and Doak C. CoxWashington :United States Department of the Interior, Geological Survey,1969.1 online resource (iv, 52 pages) illustrations, maps +6 platesGeological Survey professional paper ;626Title from title screen (viewed September 30, 2014)."Prepared in cooperation with the Colorado State Mining Industrial Development Board."Includes bibliographical references (pages 47-50) and index.GeologyColoradoChaffee CountyMines and mineral resourcesColoradoChaffee CountyFluorsparColoradoGeologyfastMines and mineral resourcesfastColoradoChaffee CountyfastGeologyMines and mineral resourcesFluorsparGeology.Mines and mineral resources.Van Alstine Ralph Erskine1914-1402176Cox Doak C(Doak Carey),1917-2003,Geological Survey (U.S.),Colorado.Mining Industrial Development Board.COPCOPOCLCOOCLCFGPOBOOK9910706795703321Geology and mineral deposits of the Poncha Springs NE quadrangle, Chaffee County, Colorado3478220UNINA