31. Ground-water availability in the eastern part of the Lake Ontario Basin, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Ithaca, New York : United States Department of the Interior, Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
32. Ground-water conditions in and near the Gila River Indian Reservation, South-central Arizona Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department. of the Interior, United States Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
33. Ground-water levels in the Cockeysville marble of southern Chester County, Pennsylvania, 1983-84 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
34. Ground-water levels in the Columbia River basalt and overlying materials, Spring 1983, southeastern Washington state 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. Ground-water levels in the Lower Paleozoic carbonate rocks of western Chester Valley, Chester County, Pennsylvania, November 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
36. Ground-water levels in three basalt hydrologic units underlying the Columbia Plateau, Washington and Oregon, spring 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : Department of the Interior, United Stattes Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
37. Hartwell Dam quadrangle, Gerogia-South Carolina, 1959, photorevised 1985 : 7.5 minute series (topographic) Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : The Survey, 1985 Resource Type: Map Edition: Photorevised 1985. Access & Availability: Loading
38. Historical atlas of Arizona Author/Creator: Walker, Henry P. (Henry Pickering) Publication/Creation: Norman : University of Oklahoma Press, [1986] Resource Type: Map Edition: 2nd edition. Access & Availability: Loading
39. Horizontal intensity of the earth's magnetic field, epoch 1985.0 Author/Creator: United States. Defense Mapping Agency. Hydrographic/Topographic Center Publication/Creation: Washington, D.C. : The Center : [DMA, Combat Support Center, DOA, distributor], 1985 Resource Type: Map Edition: 10th ed., Dec. 7, 1985. Access & Availability: Loading
40. 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