TY - BOOK ID - 138774791 TI - Vulnerability of ground water to contamination, northern Bexar County, Texas AU - Clark, Amy R. AU - San Antonio Water System (Tex.) AU - Geological Survey (U.S.) PY - 2003 PB - Austin, Tex. : U.S. Dept. of the Interior, U.S. Geological Survey, DB - UniCat KW - Groundwater KW - Pollution KW - Edwards Aquifer (Tex.) UR - https://www.unicat.be/uniCat?func=search&query=sysid:138774791 AB - ER -