LEADER 02308nem 2200541Ia 450 001 9910701207803321 005 20111221091200.0 035 $a(CKB)5470000002416984 035 $a(OCoLC)768994641 035 $a(EXLCZ)995470000002416984 100 $a20111221d2002 ua 101 0 $aeng 120 $ab|||||||||||| 121 $a||||||||| 124 $bh 135 $aurcn||||||||| 181 $ccrd$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aStratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia$b[electronic resource] /$fby Robert T. Ryder 205 $aOnline version 1.0 /$brev. and digitized by Robert D. Crangle, Jr. 210 1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2002. 215 $a1 online resource (1 section) $ccolor 225 1 $aMiscellaneous investigations series ;$vmap I-2264 300 $aTitle from title screen (viewed on Dec. 20, 2011). 300 $aIncludes text, location map, correlation chart, and table. 320 $aIncludes bibliographical references. 517 3 $aCambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia 606 $aGeology, Stratigraphic$yCambrian$vCharts, diagrams, etc 606 $aGeology, Stratigraphic$yOrdovician$vCharts, diagrams, etc 606 $aGeology, Structural$zAppalachian Basin$vCharts, diagrams, etc 606 $aGeology$zAppalachian Basin$vCharts, diagrams, etc 606 $aGeological cross sections$zAppalachian Basin 607 $aAppalachian Basin$vCharts, diagrams, etc 615 0$aGeology, Stratigraphic 615 0$aGeology, Stratigraphic 615 0$aGeology, Structural 615 0$aGeology 615 0$aGeological cross sections 700 $aRyder$b Robert T$01395259 701 $aCrangle$b Robert D.$cJr.$01031917 712 02$aGeological Survey (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910701207803321 996 $aStratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia$93503777 997 $aUNINA