1. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1985-87 Author/Creator: Dague, Barbara J., author Publication/Creation: Lawrence, Kansas : U.S. Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
2. The Potentiometric surface of the Magothy Aquifer in southern Maryland, September 1985 Author/Creator: Mack, Frederick K., author Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading