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100   $a20101107d1998      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDocumentation and application of a method to compute maximum slope and aspect of hydraulic gradients /$fby Craig M. Johnston and Philip T. Harte
210  1$aPembroke, New Hampshire :$cU.S. Department of the Interior, U.S. Geological Survey,$d1998.
215   $a1 online resource (iii, 25 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v98-4021
320   $aIncludes bibliographical references (page 11).
606   $aGroundwater flow$zNew Hampshire$xComputer simulation
606   $aGroundwater flow$xComputer simulation$2fast
607   $aNew Hampshire$2fast
615  0$aGroundwater flow$xComputer simulation.
615  7$aGroundwater flow$xComputer simulation.
700   $aJohnston$b Craig M.$01383293
702   $aHarte$b Philip T.
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCQ
801  2$bCOP
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910716715603321
996   $aDocumentation and application of a method to compute maximum slope and aspect of hydraulic gradients$93466352
997   $aUNINA