1. Berryhill WS (1989) The impact of agricultural practices on water quality in karst regions. Third Multidisciplinary Conference on Sinkholes, St. Petersburg Beach, Florida. 6 pp
2. DeStephen RA and Martin RE (1992) Evaluation of water supply impacts on surrounding area, Route 632, Augusta County, Virginia. Richmond, Virginia: Schnabel Environmental Services
3. DeStephen RA and Wargo RH (1992) Foundation design in karst terrain. Bull Assoc Eng Geol 29(2): 165?173
4. Driscoll FG (1987) Groundwater and wells, (2nd ed). St. Paul: Johnson Division
5. Gathright TM, Henika WS and Sullivan JL (1977) Geology of the Waynesboro East and Waynesboro West quadrangles. Virginia Division of Mineral Resources, Publication 3, Charlottesville, Virginia