LEADER 01927oam 2200565 450 001 9910704063303321 005 20160315093800.0 035 $a(CKB)5470000002437020 035 $a(OCoLC)698051956$z(OCoLC)654236664$z(OCoLC)883253191 035 $a(EXLCZ)995470000002437020 100 $a20110123d1933 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aMetalliferous deposits of the greater Helena mining region, Montana /$fby J.T. Pardee and F.C. Schrader 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1933. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (xi, 318 pages, 47 pages of plates) $cillustrations, maps (some color) 225 1 $aBulletin / United States Department of the Interior, Geological Survey ;$v842 300 $aTitle from title screen (viewed Oct. 16, 2015). 320 $aIncludes bibliographical references and index. 606 $aOre deposits$zMontana$zHelena 606 $aGeology$zMontana$zHelena 606 $aGeology$2fast 606 $aOre deposits$2fast 607 $aMontana$zHelena$2fast 615 0$aOre deposits 615 0$aGeology 615 7$aGeology. 615 7$aOre deposits. 700 $aPardee$b J. T$g(Joseph Thomas),$f1871-1960,$01387070 702 $aSchrader$b Frank C$g(Frank Charles),$f1860-1944, 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCA 801 2$bOCLCF 801 2$bOCLCQ 801 2$bOCLCO 801 2$bCOP 801 2$bGPO 801 2$bOCL 801 2$bGPO 906 $aBOOK 912 $a9910704063303321 996 $aMetalliferous deposits of the greater Helena mining region, Montana$93436543 997 $aUNINA