02206oam 2200577 450 991070426620332120160115113022.0(CKB)5470000002439011(OCoLC)885119674(EXLCZ)99547000000243901120140802d1960 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierPetrography of radioactive tertiary igneous rocks, Front Range mineral belt, Colorado /by J.D. Wells[Washington, D.C.] :United States Department of the Interior, Geological Survey,1960.Washington :United States Government Printing Office.1 online resource (iv, 223-272 pages, 1 page of plate) illustrations, map, chartsGeological Survey bulletin ;1032-EGeology and ore deposits of Clear Creek, Gilpin, and Larimer Counties, ColoradoTitle from title screen (viewed July 22, 2014)."Prepared on behalf of the United States Atomic Energy Commission and is published with the permission of the Commission."Includes bibliographical references (pages 269-270) and index.Igneous rocksColoradoClear Creek CountyIgneous rocksColoradoGilpin CountyPetrologyColoradoClear Creek CountyPetrologyColoradoGilpin CountyIgneous rocksfastPetrologyfastColoradoClear Creek CountyfastColoradoGilpin CountyfastIgneous rocksIgneous rocksPetrologyPetrologyIgneous rocks.Petrology.Wells John David1926-1386524Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOOCLCFGPOBOOK9910704266203321Petrography of radioactive tertiary igneous rocks, Front Range mineral belt, Colorado3435506UNINA