01498oam 2200469I 450 991070438700332120160304113412.0(CKB)5470000002439811(OCoLC)885119721(EXLCZ)99547000000243981120140802d1957 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierGem stones of the United States /by Dorothy M. Schlegel[Washington, D.C.] :United States Department of the Interior, Geological Survey,1957.Washington :United States Government Printing Office.1 online resource (203-253 pages) chartsGeological Survey bulletin ;1042-GA contribution to economic geologyTitle from title screen (viewed July 22, 2014).Includes bibliographical references (pages 252-253).Precious stonesUnited StatesPrecious stonesfastUnited StatesfastPrecious stonesPrecious stones.Schlegel Dorothy McKenney1415178Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOOCLCQGPOBOOK9910704387003321Gem stones of the United States3516426UNINA