LEADER 01958nam 2200457 450 001 9910715371503321 005 20210218134531.0 035 $a(CKB)5470000002510317 035 $a(OCoLC)1237767541 035 $a(EXLCZ)995470000002510317 100 $a20210218d2020 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aTemporal and spatial variability of water quality in the San Antonio segment of the Edwards aquifer recharge zone, Texas, with an emphasis on periods of groundwater recharge, September 2017-July 2019 /$fby Stephen P. Opsahl, MaryLynn Musgrove, and Keith E. Mecum 210 1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2020. 215 $a1 online resource (x, 37 pages) $ccolor illustrations, color map 225 1 $aScientific investigations report,$x2328-0328 ;$v2020-5033 300 $a"Prepared in cooperation with the City of San Antonio." 320 $aIncludes bibliographical references. 606 $aGroundwater recharge$zTexas$zEdwards Aquifer 606 $aSubsurface drainage$zTexas$zEdwards Aquifer 606 $aWater quality$zTexas$zEdwards Aquifer 606 $aWater quality$xMeasurement 607 $aEdwards Aquifer (Tex.) 615 0$aGroundwater recharge 615 0$aSubsurface drainage 615 0$aWater quality 615 0$aWater quality$xMeasurement. 700 $aOpsahl$b Stephen P.$01388638 702 $aMusgrove$b MaryLynn$f1964- 702 $aMecum$b Keith E. 712 02$aGeological Survey (U.S.), 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910715371503321 996 $aTemporal and spatial variability of water quality in the San Antonio segment of the Edwards aquifer recharge zone, Texas, with an emphasis on periods of groundwater recharge, September 2017-July 2019$93541809 997 $aUNINA