LEADER 02192oam 2200577 450 001 9910707699203321 005 20160912145013.0 035 $a(CKB)5470000002465542 035 $a(OCoLC)891382986 035 $a(EXLCZ)995470000002465542 100 $a20140926d1972 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota /$fby Richard W. Bayley 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1972. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 24 pages, 4 pages of plates) $cillustrations, maps (some color) 225 1 $aGeological Survey bulletin ;$v1332-A 225 1 $aContributions to economic geology 300 $aTitle from title screen (viewed September 15, 2014). 300 $a"The influence of lithology and structure on the gold deposits of the Rochford District." 320 $aIncludes bibliographical references (page 24). 517 1 $aGeology and gold of Rochford district, S. Dak 606 $aGeology$zSouth Dakota$zLawrence County 606 $aGeology$zSouth Dakota$zPennington County 606 $aGold ores$zSouth Dakota$zLawrence County 606 $aGold ores$zSouth Dakota$zPennington County 606 $aGeology$2fast 606 $aGold ores$2fast 607 $aSouth Dakota$zLawrence County$2fast 607 $aSouth Dakota$zPennington County$2fast 615 0$aGeology 615 0$aGeology 615 0$aGold ores 615 0$aGold ores 615 7$aGeology. 615 7$aGold ores. 700 $aBayley$b Richard W$g(Richard William),$f1919-$01401947 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707699203321 996 $aA preliminary report on the geology and gold deposits of the Rochford District, Black Hills, South Dakota$93479177 997 $aUNINA