LEADER 02070nam 2200445Ka 450 001 9910696833803321 005 20080728163530.0 035 $a(CKB)5470000002382546 035 $a(OCoLC)236164281 035 $a(EXLCZ)995470000002382546 100 $a20080728d2003 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSimulation of streamflow and water quality in the Red Clay Creek subbasin of the Christina River basin, Pennsylvania and Delaware$b[electronic resource] /$fby Lisa A. Senior and Edward H. Koerkle ; in cooperation with the Delaware River Basin Commission, Delaware Department of Natural Resources and Environmental Control, and the Pennsylvania Department of Environmental Protection 210 1$aNew Cumberland, Pa. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2003. 215 $ax, 119 pages $cdigital, PDF file 225 1 $aWater-resources investigations report ;$v03-4138 300 $aTitle from title screen (viewed July 28, 2008). 606 $aWater quality$zPennsylvania$zChester County 606 $aWater quality$zDelaware$zNew Castle County 606 $aStreamflow$zPennsylvania$zChester County$xComputer simulation 606 $aStreamflow$zDelaware$zNew Castle County$xComputer simulation 615 0$aWater quality 615 0$aWater quality 615 0$aStreamflow$xComputer simulation. 615 0$aStreamflow$xComputer simulation. 700 $aSenior$b Lisa A$01390074 701 $aKoerkle$b Edward H$01407213 712 02$aDelaware River Basin Commission. 712 02$aDelaware.$bDepartment of Natural Resources and Environmental Control. 712 02$aPennsylvania.$bDepartment of Environmental Protection. 712 02$aGeological Survey (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910696833803321 996 $aSimulation of streamflow and water quality in the Red Clay Creek subbasin of the Christina River basin, Pennsylvania and Delaware$93488082 997 $aUNINA