LEADER 02037oam 2200553 450 001 9910707748403321 005 20161108150630.0 035 $a(CKB)5470000002467065 035 $a(OCoLC)885121621 035 $a(EXLCZ)995470000002467065 100 $a20140802d1971 ua 0 101 0 $aeng 135 $aurn|||||||||| 181 $ctxt$2rdacontent 181 $ccri$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aCoal resources of Butler County, Pennsylvania /$fby Elmer D. Patterson and J.A. Van Lieu 210 1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1971. 210 2$aWashington, D.C. :$cGovernment Printing Office. 215 $a1 online resource (iv, C1-C43 pages, 3 pages of pages) $cmaps, charts 225 1 $aGeological Survey bulletin ;$v1143-C 225 1 $aCoal resources of western Pennsylvania 300 $aTitle from title screen (viewed July 24, 2014). 300 $a"Prepared in cooperation with the Pennsylvania Geological Survey." 320 $aIncludes bibliographical references (pages 41-43). 517 3 $aCoal resources of western Pennsylvania 606 $aCoal$xGeology$zPennsylvania$zButler County 606 $aMines and mineral resources$zPennsylvania$zButler County 606 $aCoal$xGeology$2fast 606 $aMines and mineral resources$2fast 607 $aPennsylvania$zButler County$2fast 615 0$aCoal$xGeology 615 0$aMines and mineral resources 615 7$aCoal$xGeology. 615 7$aMines and mineral resources. 700 $aPatterson$b E. D$g(Elmer Davisson),$01404963 702 $aVan Lieu$b J. A. 712 02$aGeological Survey (U.S.), 712 02$aPennsylvania.$bBureau of Topographic and Geologic Survey, 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707748403321 996 $aCoal resources of Butler County, Pennsylvania$93534744 997 $aUNINA