LEADER 01750oem  2200481   450 
001 9910713511903321
005 20200624091954.0
035   $a(CKB)5470000002502549
035   $a(OCoLC)1156664586
035   $a(EXLCZ)995470000002502549
100   $a20200604d1983      ua              
101 0 $aeng
121   $a|||||||||
124   $bd
135   $aur|||||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPreliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1982 /$fby Frederick K. Mack, Judith C. Wheeler, and Stephen E. Curtin ; prepared in cooperation with Maryland Geological Survey and Maryland Energy Administration
210  1$a[Towson, Md.] :$cUnited States Department of the Interior, Geological Survey,$d[1983?]
215   $a1 online resource (1 map)
225 1 $aOpen-file report ;$v83-929
300   $aRelief shown by contours and spot heights.
606   $aGroundwater$zChesapeake Bay Region (Md. and Va.)$vMaps
606   $aAquifers$zChesapeake Bay Region (Md. and Va.)$vMaps
606   $aGroundwater$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.
712 02$aMaryland Geological Survey.
712 02$aMaryland.$bEnergy Administration.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910713511903321
996   $aPreliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1982$93338703
997   $aUNINA