LEADER 01684oam 2200445 450 001 9910717023603321 005 20220121162909.0 035 $a(CKB)5470000002527973 035 $a(OCoLC)1290720702 035 $a(OCoLC)995470000002527973 035 $a(EXLCZ)995470000002527973 100 $a20220104d1974 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aHydrologic- and salt-balance investigations utilizing digital models lower San Luis Rey River area, San Diego County, California /$fby Joe A. Moreland 210 1$aMenlo Park, California :$cU.S. Geological Survey,$d1974. 215 $a1 online resource (v, 66 pages) $cillustrations, maps 225 1 $aWater-resources investigations ;$v74-24 300 $a"October 1974." 320 $aIncludes bibliographical references (page 66). 606 $aHydrology$zCalifornia$zSan Luis Rey River$xMathematical models 606 $aSalinity$zCalifornia$zSan Luis Rey River 606 $aHydrogeological modeling$zCalifornia$zSan Luis Rey River 606 $aWater quality$zCalifornia$zSan Luis Rey River 615 0$aHydrology$xMathematical models. 615 0$aSalinity 615 0$aHydrogeological modeling 615 0$aWater quality 700 $aMoreland$b Joe A.$01390253 712 02$aGeological Survey (U.S.), 801 0$bGPO 801 1$bGPO 801 2$bGPO 906 $aBOOK 912 $a9910717023603321 996 $aHydrologic- and salt-balance investigations utilizing digital models lower San Luis Rey River area, San Diego County, California$93442871 997 $aUNINA