LEADER 01280oam 2200397 450 001 9910711816803321 005 20190910100213.0 035 $a(CKB)5470000002487917 035 $a(OCoLC)1111086290 035 $a(EXLCZ)995470000002487917 100 $a20190802d2016 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aUser guide for MODPATH version 7-A $ea particle tracking model for MODFLOW /$fby David W. Pollock 210 1$aReston, Va. :$cU.S. Department of the Interior, U.S. Geological Survey,$d2016. 215 $a1 online resource (v, 35 pages) $cillustrations (some color) 225 1 $aOpen-file report ;$v2016-1086 320 $aIncludes bibliographical references (page 35). 517 $aUser guide for MODPATH version 7-A 606 $aGroundwater flow$vSoftware 606 $aGroundwater flow$2fast 608 $aSoftware.$2fast 615 0$aGroundwater flow 615 7$aGroundwater flow. 700 $aPollock$b David W.$0274007 801 0$bGPO 801 1$bGPO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910711816803321 996 $aUser guide for MODPATH version 7-A$93458868 997 $aUNINA