1. Potentiometric map of the Memphis sand in the Memphis area, Tennessee Author/Creator: Graham, D. D. Publication/Creation: Memphis, Tenn. : U.S. Dept. of the Interior, U.S. Geological Survey, 1978 Resource Type: Map Access & Availability: Loading
2. Potentiometric map of the Paleozoic aquifer in northeastern Mississippi, October and November 1978 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Jackson, Miss.] : Department of the Interior, United States Geological Survey, 1979 Resource Type: Map Access & Availability: Loading