21. Hydrogeologic and water-quality characteristics of the Prairie du Chien-Jordan aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : United States Department of the Interior, Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
22. Hydrogeologic and water-quality characteristics of the St. Peter aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : United States Departmenr of the Interior, Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
23. Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
24. 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
25. Geohydrology of the glacial-outwash aquifer in the Batavia area, Tonawanda Creek, Genesee County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Ithaca, N.Y.] : United States Department of the Interior, Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
26. Hydrogeologic and water-quality characteristics of the Ironton-Galesville aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [St. Paul, Minn.] : United States Department of the Interior, Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
27. Potentiometric map of the paleozoic aquifer in northeastern Mississippi, November and December 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
28. Recharge and discharge areas of the Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
29. Water-level maps of the alluvial aquifer, Northwestern Mississippi, April 1983 Author/Creator: Sumner, D. M., author Publication/Creation: Jackson, Mississippi : Department of the Interior, U.S. Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
30. Approximate potentiometric surface for the aquifer unit A2, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
31. Approximate potentiometric surface for the aquifer unit A3, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
32. Approximate potentiometric surface for the aquifer unit A4, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
33. Maps showing altitude of the potentiometric surface and changes in water level of the Sparta sand and Memphis sand aquifers in Eastern Arkansas, spring 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Ark. : U.S. Geological Survey, [1985] Resource Type: Map Access & Availability: Loading
34. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1983-85 Author/Creator: Dague, Barbara J., author Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
35. Potentiometric map of the Ripley aquifers in northeastern Mississippi, Fall 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
36. Potentiometric surface of the upper limestone aquifer in the Dorado-Vega Alta area, North-central Puerto Rico, February 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
37. Potentiometric surfaces of November 1982 and declines in the potentiometric surfaces between the period prior to development and November 1982 for the coastal plain aquifers of South Carolina Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
38. Potentiometric surfaces of the coastal plain aquifers of South Carolina prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
39. Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
40. Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 1985 Resource Type: Map Access & Availability: Loading