LEADER 02062oam 2200529 450 001 9910706201103321 005 20170816093450.0 035 $a(CKB)5470000002454411 035 $a(OCoLC)891598538 035 $a(OCoLC)995470000002454411 035 $a(EXLCZ)995470000002454411 100 $a20140929d1965 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aGeomorphology of the Shenandoah Valley, Virginia, and West Virginia, and origin of the residual ore deposits /$fby John T. Hack 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1965. 215 $a1 online resource (iv, 84 pages) $cillustrations, maps +$e3 plates 225 1 $aGeological Survey professional paper ;$v484 300 $aTitle from title screen (viewed September 29, 2014). 300 $a"A geomorphological study in which it is assumed that the erosion and downwasting of the central Appalachians were continuous and uninterrupted by periods of baseleveling." 320 $aIncludes bibliographical references (pages 77-79) and index. 606 $aGeology$zShenandoah River Valley (Va. and W. Va.) 606 $aGeology$zWest Virginia 606 $aGeology$zVirginia 606 $aOre deposits$zShenandoah River Valley (Va. and W. Va.) 606 $aOre deposits$zWest Virginia 606 $aOre deposits$zVirginia 607 $aShenandoah River Valley (Va. and W. Va.) 615 0$aGeology 615 0$aGeology 615 0$aGeology 615 0$aOre deposits 615 0$aOre deposits 615 0$aOre deposits 700 $aHack$b John T$g(John Tilton),$f1913-1991,$01400331 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bGPO 906 $aBOOK 912 $a9910706201103321 996 $aGeomorphology of the Shenandoah Valley, Virginia, and West Virginia, and origin of the residual ore deposits$93504908 997 $aUNINA