LEADER 02010oem 2200541 450 001 9910713511303321 005 20200604123137.0 035 $a(CKB)5470000002502555 035 $a(OCoLC)966435283 035 $a(EXLCZ)995470000002502555 100 $a20161219d1985 ua 101 0 $aeng 120 $aa|||||||||||| 121 $a||||||||| 124 $bd 135 $aurbn||||||||| 181 $ccri$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPreliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland /$fby Frederick K. Mack, Judith C. Wheeler, Stephen E. Curtin, and David C. Andreasen 210 1$aTowson, Maryland :$cUnited States Department of the Interior, Geological Survey,$d1985. 215 $a1 online resource (1 map) 225 1 $aWater-resources investigations report ;$v85-4339 300 $a"Prepared in cooperation with Maryland Geological Survey and Maryland Energy Administration." 606 $aGroundwater$zChesapeake Bay Region (Md. and Va.)$vMaps 606 $aAquifers$zChesapeake Bay Region (Md. and Va.)$vMaps 606 $aGroundwater$2fast 607 $aUnited States$zChesapeake Bay Region$2fast 608 $aMaps.$2fast 608 $aMaps.$2lcgft 615 0$aGroundwater 615 0$aAquifers 615 7$aGroundwater. 702 $aMack$b Frederick K. 702 $aWheeler$b Judith C. 702 $aCurtin$b Stephen E. 702 $aAndreasen$b David C. 712 02$aMaryland Geological Survey. 712 02$aMaryland.$bEnergy Administration. 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910713511303321 996 $aPreliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland$93338698 997 $aUNINA