LEADER 02310oam 2200625I 450 001 9910704300003321 005 20160310145214.0 035 $a(CKB)5470000002438670 035 $a(OCoLC)885006351 035 $a(EXLCZ)995470000002438670 100 $a20140731d1949 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPreliminary report on the bedded manganese of the Lake Mead region, Nevada and Arizona /$fby V.E. McKelvey, J.H. Wiese, and V.H. Johnson 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1949. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iii, 83-101 pages, 39-44 pages of plates) $cillustrations (some color), maps (some color) 225 1 $aBulletin / United States Department of the Interior, Geological Survey ;$v948-D 225 1 $aStrategic minerals investigations ;$v1945 300 $aTitle from title screen (viewed July 16, 2014). 320 $aIncludes bibliographical references. 517 1 $aStrategic minerals investigations, 1945, manganese deposits, Lake Mead region 606 $aMines and mineral resources$zMead, Lake (Ariz. and Nev.) 606 $aManganese ores$zMead, Lake (Ariz. and Nev.) 606 $aGeology$zMead, Lake (Ariz. and Nev.) 606 $aGeology$2fast 606 $aManganese ores$2fast 606 $aMines and mineral resources$2fast 607 $aUnited States$zLake Mead$2fast 615 0$aMines and mineral resources 615 0$aManganese ores 615 0$aGeology 615 7$aGeology. 615 7$aManganese ores. 615 7$aMines and mineral resources. 700 $aMcKelvey$b V. E$g(Vincent Ellis),$f1916-$01392434 702 $aWiese$b John H. 702 $aJohnson$b V. H. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCA 801 2$bOCLCF 801 2$bGPO 801 2$bOCL 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910704300003321 996 $aPreliminary report on the bedded manganese of the Lake Mead region, Nevada and Arizona$93508689 997 $aUNINA