LEADER 01707nes  2200433   450 
001 9910698934903321
005 20180724132144.0
035   $a(CKB)5470000002398528
035   $a(OCoLC)1045635935
035   $a(EXLCZ)995470000002398528
100   $a20180724b19992010  ua              
101 0 $aeng
120   $aa||||||||||||
121   $a|||||||||
124   $bd
135   $aur|||||||||||
181   $ccri$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe difference between the potentiometric surfaces of the lower Patapsco Aquifer in Southern Maryland, September 1990 and September ... /$fprepared in cooperation with the Maryland Geological Survey (MGS) and the Power Plant Assessment Program, Maryland Department of Natural Resources
210  1$aReston, VA :$cU.S. Department of the Interior, U.S. Geological Survey ;$a[Annapolis, MD] :$cMaryland Department of Natural Resources
215   $a1 online resource (maps)
225 1 $aOpen- file report
300   $aRelief shown by contours and spot heights.
606   $aAquifers$zMaryland, Southern$vMaps
606   $aGroundwater$zMaryland, Southern$vMaps
606   $aWater table$zMaryland, Southern$vMaps
608   $aMaps.$2lcgft
615  0$aAquifers
615  0$aGroundwater
615  0$aWater table
712 02$aMaryland Geological Survey.
712 02$aMaryland.$bPower Plant Topical Research Program.
801  0$bGPO
801  1$bGPO
906   $aJOURNAL
912   $a9910698934903321
996   $aThe difference between the potentiometric surfaces of the lower Patapsco Aquifer in Southern Maryland, September 1990 and September ..$93451984
997   $aUNINA