21. Hydrogeologic and water-quality characteristics of the Cretaceous aquifer, southwestern Minnesota 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
22. Hydrogeologic and water-quality characteristics of the Red River-Winnipeg aquifer, northwestern Minnesota Author/Creator: Ruhl, J. F., author Publication/Creation: St. Paul, Minnesota : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
23. Hydrogeology of the eastern part of the Salt River Valley area, Maricopa and Pinal counties, Arizona Author/Creator: Laney, R. L., author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
24. Hydrogeology of the Olean area, Cattaraugus County, New York 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
25. Hydrogeology of the Salamanca area, Cattaraugus County, New York 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
26. Hydrology and water quality of East Lake Tohopekaliga, Osceola County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
27. Hydrology of Hunters Lake, Hernando County, Florida Author/Creator: Henderson, S. E., author Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
28. Hydrology of Island Ford Lake, Hillsborough County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
29. Lithology and base of the surficial aquifer system, Palm Beach County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
30. Louisiana ground-water map no. 1 : potentiometric surface, 1985, and water-level changes, 1983-85, of the Chicot aquifer in southwestern Louisiana Author/Creator: Fendick, Robert B., author Publication/Creation: Baton Rouge, Louisiana : U.S. Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading