1. Hydrologic maps of the High Plains aquifer, January 1981, southwestern Kansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Lawrence, Kan.] : Department of the Interior, United States Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
2. Hydrologic reconnaissance of Tsala Apopka Lake, Citrus County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Tallahassee, Fla.] : Department of the Interior, United States Geological Survey, 1977 Resource Type: Map Access & Availability: Loading