LEADER 01636nam 22004091a 450 001 9910708193103321 005 20131031002238.0 035 $a(OCoLC)866987843 035 $a(MiFhGG)NCCO2001390 035 $a(CKB)4920000002449183 035 $a(EXLCZ)994920000002449183 100 $a20131031d1896 ua 0 101 0 $aeng 135 $aur|n||||||||n 200 14$aThe ancient volcanic rocks of South Mountain, Pennsylvania$fby Florence Bascom 210 $aWashington $cG.P.O.$d1896 215 $a1 online resource ([4], [viii], 124 p., [24] leaves of plates) $cill., map 225 1 $a54th Congress, 1st Session. House of Representatives. Document ;$vno. 421 225 1 $aBulletin of the United States Geological Survey ;$vno. 136 225 1 $aNineteenth Century Collections Online: Science, Technology, and Medicine, Part I 300 $aAdvertising: p. [i]-vii, 2nd count. 300 $aReproduction of the original from the Library of Congress. 410 0$aHouse document (United States. Congress. House) ;$v54th Congress, 1st session, no. 421. 410 0$aBulletin of the United States Geological Survey ;$vno. 136. 410 0$aNineteenth Century Collections Online: Science, Technology, and Medicine, Part I. 606 $aPetrology 606 $aIgneous rocks 607 $aPennsylvania 615 0$aPetrology. 615 0$aIgneous rocks. 700 $aBascom$b F$g(Florence),$f1862-1945.$01387723 801 0$bMIGCL 801 1$bUtOrBLW 906 $aBOOK 912 $a9910708193103321 996 $aThe ancient volcanic rocks of South Mountain, Pennsylvania$94129270 997 $aUNINA