LEADER 01784oem  2200553   450 
001 9910713761503321
005 20200729161827.0
035   $a(CKB)5470000002504068
035   $a(OCoLC)966435464
035   $a(EXLCZ)995470000002504068
100   $a20161219d1989      ua              
101 0 $aeng
120   $aa||||||||||||
121   $a|||||||||
124   $bd
135   $aurbn|||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPotentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987 /$fFrederick K. Mack [and three others]
210  1$aTowson, Maryland :$cDepartment of the Interior, U.S. Geological Survey,$d1989.
215   $a1 online resource (1 map)
225 1 $aWater-resources investigations report ;$v89-4012
300   $aRelief shown by contours and spot heights.
300   $a"Prepared in cooperation with Maryland Geological Survey and Maryland Power Plant Research Program."
606   $aAquifers$zMaryland$vMaps
606   $aGroundwater$zMaryland$vMaps
606   $aAquifers$2fast
606   $aGroundwater$2fast
607   $aMaryland$2fast
608   $aMaps.$2fast
608   $aMaps.$2lcgft
615  0$aAquifers
615  0$aGroundwater
615  7$aAquifers.
615  7$aGroundwater.
702   $aMack$b Frederick K.
712 02$aMaryland Geological Survey.
712 02$aMaryland Power Plant Research Program.
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910713761503321
996   $aPotentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987$93282195
997   $aUNINA