02059nam 2200445 450 991070986990332120180907140710.0(CKB)5470000002473556(OCoLC)1051041772(EXLCZ)99547000000247355620180907d2018 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierWater-quality observations of the San Antonio segment of the Edwards Aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010-16 /by Stephen P. Opsahl [and three others] ; prepared in cooperation with the San Antonio Water SystemReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2018.1 online resource (viii, 67 pages) color illustrations, color mapsScientific investigations report,2328-0328 ;2018-5060Includes bibliographical references (pages 61-67).Water-supplyTexasSan AntonioWater qualityTexasEdwards AquiferMeasurementWaterPollutionTexasEdwards AquiferMeasurementNutrient pollution of waterTexasEdwards AquiferWaterPesticide contentTexasEdwards AquiferEdwards Aquifer (Tex.)Water-supplyWater qualityMeasurement.WaterPollutionMeasurement.Nutrient pollution of waterWaterPesticide contentOpsahl Stephen P.1388638Geological Survey (U.S.),GPOGPOBOOK9910709869903321Water-quality observations of the San Antonio segment of the Edwards Aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010-163475695UNINA