LEADER 01900oam 2200517 450 001 9910704256803321 005 20160311110308.0 035 $a(CKB)5470000002439106 035 $a(OCoLC)885009151 035 $a(EXLCZ)995470000002439106 100 $a20140731d1952 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe Coalwood coal field, Powder River County, Montana $egeology and fuel resources of a part of the Powder River basin /$fby Robert P. Bryson 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1952. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 23-106 pages, 12 pages of plates) $cillustrations, maps (some color) 225 1 $aGeological Survey bulletin ;$v973-B 225 1 $aContributions to economic geology ;$v1951 300 $aTitle from title screen (viewed July 21, 2014). 320 $aIncludes bibliographical references (pages 103-104) and index. 517 $aCoalwood coal field, Powder River County, Montana 606 $aCoal$zMontana$zPowder River County 606 $aMines and mineral resources$zMontana 606 $aCoal$2fast 606 $aMines and mineral resources$2fast 607 $aMontana$2fast 607 $aMontana$zPowder River County$2fast 615 0$aCoal 615 0$aMines and mineral resources 615 7$aCoal. 615 7$aMines and mineral resources. 700 $aBryson$b Robert P.$f1911-$01402188 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910704256803321 996 $aThe Coalwood coal field, Powder River County, Montana$93472187 997 $aUNINA