01473nam 2200361 450 991070447640332120130404153042.0(CKB)5470000002440928(OCoLC)835671188(EXLCZ)99547000000244092820130404d2012 ua 0engurcn|||||||||rdacontentrdamediardacarrierQuality of surface-water runoff in selected streams in the San Antonio segment of the Edwards aquifer recharge zone, Bexar County, Texas, 1997-2012 /by Stephen P. Opsahl ; prepared in cooperation with the San Antonio Water SystemReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2012.1 online resource (iv, 19 pages) color illustrationsData series ;740Title from title screen (viewed on March 20, 2013).Includes bibliographical references (pages 17-19).Water qualityTexasBexar CountyWater qualityOpsahl Stephen P.1388638Geological Survey (U.S.),San Antonio Water System (Tex.),GPOGPOBOOK9910704476403321Quality of surface-water runoff in selected streams in the San Antonio segment of the Edwards aquifer recharge zone, Bexar County, Texas, 1997-20123519976UNINA