LEADER 01895oem  2200541   450 
001 9910713751503321
005 20200731124537.0
035   $a(CKB)5470000002504169
035   $a(OCoLC)966435445
035   $a(OCoLC)995470000002504169
035   $a(EXLCZ)995470000002504169
100   $a20161219d1987      ua              
101 0 $aeng
120   $aa||||||||||||
121   $a|||||||||
124   $bd
135   $aurbn|||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDifference between the potentiometric surface of the Aquia aquifer in Spring of 1979 and Fall of 1986 in southern Maryland /$fFrederick K. Mack [and three others]
210  1$aTowson, Maryland :$cDepartment of the Interior, U.S. Geological Survey,$d1987.
215   $a1 online resource (1 map)
225 1 $aWater-resources investigations report ;$v87-4215
300   $a"Prepared in cooperation with Maryland Geological Survey and Maryland Power Plant Research Program."
606   $aAquifers$zChesapeake Bay Region (Md. and Va.)$vMaps
606   $aGroundwater$zChesapeake Bay Region (Md. and Va.)$vMaps
606   $aAquifers$2fast
606   $aGroundwater$2fast
607   $aUnited States$zChesapeake Bay Region$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$bGPO
906   $aBOOK
912   $a9910713751503321
996   $aDifference between the potentiometric surface of the Aquia aquifer in Spring of 1979 and Fall of 1986 in southern Maryland$93349601
997   $aUNINA