1. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1988-90 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lawrence, Kansas : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
2. Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
3. Potentiometric surface of the Magothy aquifer in southern Maryland, September 1989 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
4. Potentiometric-surface map of the Coffee Sand aquifer in northeastern Mississippi, August through December 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
5. Potentiometric-surface map of the Eutaw-McShan aquifer in northeastern Mississippi, August through December 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading