02211oam 2200613 450 991070629460332120170928081307.0(CKB)5470000002455487(OCoLC)599611527(OCoLC)630318614(OCoLC)891598805(OCoLC)995470000002455487(EXLCZ)99547000000245548720100404d1950 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPegmatite investigations in Colorado, Wyoming and Utah, 1942-1944 /by John B. Hanley, E. Wm. Heinrich, and Lincoln R. PageWashington :United States Department of the Interior, Geological Survey,1950.1 online resource (vi, 125 pages) illustrations, maps +15 platesGeological Survey professional paper ;227Includes plates.Includes bibliographical references and index."A report on resources of beryllium, tantalum and lithium minerals, and of muscovite."PegmatitesWest (U.S.)Mines and mineral resourcesColoradoMines and mineral resourcesWyomingMines and mineral resourcesUtahMines and mineral resourcesfastPegmatitesfastColoradofastUtahfastWyomingfastPegmatitesMines and mineral resourcesMines and mineral resourcesMines and mineral resourcesMines and mineral resources.Pegmatites.Hanley John B(John Bernard),1913-1392436Heinrich E. William(Eberhardt William),1918-1991,Page Lincoln R(Lincoln Ridler),1910-1996,Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCFCOPOCLCQGPOBOOK9910706294603321Pegmatite investigations in Colorado, Wyoming and Utah, 1942-19443447146UNINA