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100   $a20040707d1998      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aImproving ground-water flow model calibration with the Advective-Transport Observation (ADV) Package to MODFLOWP$b[electronic resource] /$fE.R. Anderman and M.C. Hill
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[1998]
215   $a2 unnumbered pages $cdigital, PDF file
225 1 $aUSGS fact sheet ;$vFS-059-98
300   $aTitle from PDF title screen (viewed July 7, 2004).
300   $a"June 1998."
320   $aIncludes bibliographical references.
517   $aImproving ground-water flow model calibration with the Advective-Transport Observation 
606   $aGroundwater flow$xComputer simulation
615  0$aGroundwater flow$xComputer simulation.
700   $aAnderman$b Evan R$01416886
701   $aHill$b Mary Catherine$01383924
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910697592003321
996   $aImproving ground-water flow model calibration with the Advective-Transport Observation (ADV) Package to MODFLOWP$93523741
997   $aUNINA