1. Potentiometric surface, 2014-15, and water-level differences, 2009 to 2014-15, in the Chicot equivalent aquifer system in Southeastern Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Map Access & Availability: Loading
2. Potentiometric surfaces, altitudes of the tops, and hydrogeology of the Minnelusa and Madison Aquifers, Black Hills area, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2002 Format: Map Access & Availability: Loading