1. Possession Sound to Olympia, including Hood Canal, Washington Author/Creator: United States. National Ocean Service Publication/Creation: Washington, D.C. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service Format: Map Access & Availability: Loading
2. Potentiometric surface of the Floridan aquifer and its use in management of water resources, St. Johns River Water Management District, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1983 Format: Map Access & Availability: Loading
3. Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Towson, Md.] : United States Department of the Interior, Geological Survey, [1983?] Format: Map Access & Availability: Loading