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100   $a20160707d1976      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aStatus of ground-water modeling in the U.S. Geological Survey /$fby Charles A. Appel and John D. Bredehoeft
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1976.
215   $a1 online resource (iii, 9 pages)
225 1 $aGeological Survey circular ;$v737
320   $aIncludes bibliographical references (pages 6-9).
606   $aGroundwater$xMathematical models
606   $aGroundwater$xData processing
606   $aHydrology$xResearch$zUnited States
606   $aGroundwater$xData processing$2fast
606   $aGroundwater$xMathematical models$2fast
606   $aHydrology$xResearch$2fast
607   $aUnited States$2fast
615  0$aGroundwater$xMathematical models.
615  0$aGroundwater$xData processing.
615  0$aHydrology$xResearch
615  7$aGroundwater$xData processing.
615  7$aGroundwater$xMathematical models.
615  7$aHydrology$xResearch.
700   $aAppel$b Charles A.$01388456
702   $aBredehoeft$b J. D$g(John D.),
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCO
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711697803321
996   $aStatus of ground-water modeling in the U.S. Geological Survey$93476085
997   $aUNINA