LEADER 02292nam 2200493Ka 450 001 9910696852903321 005 20080724135838.0 035 $a(CKB)5470000002382353 035 $a(OCoLC)235961806 035 $a(EXLCZ)995470000002382353 100 $a20080724d2003 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSimulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River basin, Pennsylvania, Maryland, and Delaware, 1994-98 /$fby Lisa A. Senior and Edward H. Koerkle ; in cooperation with the Delaware River Basin Commission, Delaware Department of Natural Resources and Environmental Control, and the Pennsylvania Department of Environmental Protection 210 1$aNew Cumberland, Pa. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2003. 215 $axii, 144 pages $cdigital, PDF file 225 1 $aWater-resources investigations report ;$v03-4193 300 $aTitle from title screen (viewed July 24, 2008). 606 $aWater quality$zPennsylvania 606 $aWater quality$zMaryland 606 $aWater quality$zDelaware 606 $aStreamflow$zPennsylvania$xComputer simulation 606 $aStreamflow$zMaryland$xComputer simulation 606 $aStreamflow$zDelaware$xComputer simulation 615 0$aWater quality 615 0$aWater quality 615 0$aWater quality 615 0$aStreamflow$xComputer simulation. 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 $a9910696852903321 996 $aSimulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River basin, Pennsylvania, Maryland, and Delaware, 1994-98$93510463 997 $aUNINA