1. R. J. Autio, 1988 . Comprehensive Groundwater Monitoring Evaluation of Four County Landfill. Technical Report, Indiana Dept. of Environmental Management. April 20, 1988.
2. G. D. Clark, 1980 . The Indiana Water Resource, Availability, Uses and Needs. Governor's Water Resources Study Commission, State of Indiana, Indiana Dept. of Natural Resources.
3. T. K. Greeman, 1988 . Assessment of the Geology, Groundwater Flow, and Groundwater Quality at Four County Landfill, Fulton County, Indiana. Technical Report, U.S. Geological Survey.
4. Modeling Three-Dimensional Flow in Confined Aquifers by Superposition of Both Two- and Three-Dimensional Analytic Functions