21. Generalized potentiometric surface of the aquifers in the Cockfield Formation, southeastern Arkansas, spring 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
22. Generalized potentiometric surface of the Arikaree Aquifer, Pine Ridge Indian Reservation and Bennett County, South Dakota Author/Creator: Carter, Janet M. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2008 Resource Type: Map Edition: Version 1.0, Mar., 2008. Access & Availability: Loading
23. Generalized potentiometric surface of the Catahoula aquifer in central Louisiana, 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Baton Rouge, La.] : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
24. Generalized potentiometric surface of the Evangeline and equivalent aquifers in Louisiana, 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Baton Rouge, Louisiana] : Department of the Interior, United States Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
25. Generalized potentiometric surface of the Sparta-Memphis aquifer, eastern Arkansas, spring 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
26. Generalized potentiometric surfaces of the Red River alluvial aquifer, pool 1, Red River Waterway Area, central Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
27. Generalized potentiometric-surface map of the High Plains Aquifer in Wyoming, 1981 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Cheyenne, Wyo.] : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
28. Generalized surficial geologic map of the Pueblo 1⁰ x 2⁰ quadrangle, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : Information Services [distributor]. Resource Type: Map Access & Availability: Loading
29. Generalized thermal maturity map of Alaska Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Information Services Resource Type: Map Access & Availability: Loading
30. Generalized thickness and configuration of the top of the intermediate aquifer, west-central Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Tallahassee, Fla.] : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading