31. Hydrogeologic and water-quality characteristics of glacial-drift aquifers in Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
32. Hydrogeology of the Croton-Ossining area, Westchester County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
33. Hydrogeology of the middle Wilcox aquifer system in Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
34. 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
35. 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
36. Hydrogeology of the stratified-drift aquifers in the Rome area, Oneida County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
37. Hydrogeology of the stratified-drift aquifers in the Utica area, Oneida and Herkimer counties, New York. Part 2. East Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
38. Hydrogeology of the stratified-drift aquifers in the Utica area, Oneida County, New York. Part 1. West Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
39. Hydrogeology of the western part of the Salt River Valley area, Maricopa County, Arizona Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Tucson, Ariz.] : Department of the Interior, United States Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
40. Hydrologic maps of the High Plains Aquifer, southwestern Kansas, January 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lawrence, Kansas : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading