LEADER 02106oam 2200577 450 001 9910715240203321 005 20210128124128.0 035 $a(CKB)5470000002509623 035 $a(OCoLC)1087491460$z(OCoLC)974646499$z(OCoLC)1013857255 035 $a(OCoLC)995470000002509623 035 $a(EXLCZ)995470000002509623 100 $a20190221d1988 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aWater levels, chloride concentrations, and pumpage in the coastal aquifers of Delaware and Maryland /$fby Daniel J. Phelan 210 1$aDover, Delaware :$cU.S. Geological Survey,$d1988. 215 $a1 online resource (xii, 106 pages) $cillustrations, maps 225 1 $aWater-resources investigations report ;$v87-4229 300 $a"Prepared in cooperation with the Delaware Department of Natural Resources and Environmental Control, Delaware Geological Survey, Maryland Geological Survey, Maryland Water Resources Administration, and the Town of Ocean City, Maryland." 320 $aIncludes bibliographical references (pages 63-64). 606 $aWater levels$zDelaware 606 $aWater levels$zMaryland 606 $aSaltwater encroachment$zDelaware 606 $aSaltwater encroachment$zMaryland 606 $aAquifers$zDelaware 606 $aAquifers$zMaryland 606 $aGroundwater$2fast 607 $aDelaware$2fast 607 $aMaryland$2fast 615 0$aWater levels 615 0$aWater levels 615 0$aSaltwater encroachment 615 0$aSaltwater encroachment 615 0$aAquifers 615 0$aAquifers 615 7$aGroundwater. 700 $aPhelan$b Daniel J.$01211723 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bCOP 801 2$bOCLCF 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910715240203321 996 $aWater levels, chloride concentrations, and pumpage in the coastal aquifers of Delaware and Maryland$93528651 997 $aUNINA