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100   $a20101111d1998      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDesign, revisions, and considerations for continued use of a ground-water-flow model of the coastal plain aquifer system in Virginia /$fby E. Randolph McFarland
210  1$a[Richmond, Virginia] :$c[USGS],$d[1998]
215   $a1 online resource $ccolor illustration, color maps
225 1 $aWater-resources investigations report ;$v98-4085
320   $aIncludes bibliographical references.
606   $aGroundwater flow$zVirginia$xComputer simulation
606   $aAquifers$zVirginia
606   $aAquifers$2fast
606   $aGroundwater flow$xComputer simulation$2fast
607   $aVirginia$2fast
615  0$aGroundwater flow$xComputer simulation.
615  0$aAquifers
615  7$aAquifers.
615  7$aGroundwater flow$xComputer simulation.
700   $aMcFarland$b E. Randolph$01406237
712 02$aGeological Survey (U.S.),
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996   $aDesign, revisions, and considerations for continued use of a ground-water-flow model of the coastal plain aquifer system in Virginia$93521096
997   $aUNINA