1. A summary of current hydrogeologic conditions in the Dolton Aquifer;Barari;South Dakota Geological Survey Open File Report, 59-UR,1989
2. Ground-Water Hydrology;Todd,1980
3. Guidelines for Delineation of Wellhead Protection Areas;U.S. Environmental Protection Agency (EPA),1987
4. Wellhead Protection: Computer Delineation of Wellhead Protection Areas;U.S. Environmental Protection Agency (EPA),1990