RT Journal Article SR Electronic T1 A GIS-based approach to evaluating regional groundwater pollution potential with DRASTIC JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 242 OP 245 VO 45 IS 2 A1 Barry M. Evans A1 Wayne L. Myers YR 1990 UL http://www.jswconline.org/content/45/2/242.abstract AB