01812oam 2200541 450 991070729530332120160622094211.0(CKB)5470000002462551(OCoLC)885119572(EXLCZ)99547000000246255120140802d1958 ua 0engurn||||||||||txtrdacontentcrirdacontentcrdamediacrrdacarrierUranium in carbonaceous rocks in the Townsend and Helena Valleys, Montana /by George E. Becraft[Washington, D.C.] :United States Department of the Interior, Geological Survey,1958.Washington :United States Government Printing Office.1 online resource (iii, 149-164 pages, 1 page of plate) illustrations, maps, chartsGeological Survey bulletin ;1046-GContributions to the geology of uraniumTitle from title screen (viewed July 22, 2014).Includes bibliographical references (page 164).Carbonate rocksMontanaUranium oresMontanaCarbonate rocksfastUranium oresfastMontanafastCarbonate rocksUranium oresCarbonate rocks.Uranium ores.Becraft George E(George Earle),1922-1404210Geological Survey (U.S.),COPCOPOCLCOGPOOCLCOOCLCQOCLCFGPOBOOK9910707295303321Uranium in carbonaceous rocks in the Townsend and Helena Valleys, Montana3538498UNINA