TY - BOOK ID - 136931557 TI - Quality of surface-water runoff in selected streams in the San Antonio segment of the Edwards aquifer recharge zone, Bexar County, Texas, 1997-2012 AU - Opsahl, Stephen P. AU - Geological Survey (U.S.) AU - San Antonio Water System (Tex.) PY - 2012 PB - Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, DB - UniCat KW - Water quality UR - https://www.unicat.be/uniCat?func=search&query=sysid:136931557 AB - ER -