51. Potentiometric map of the Gordo 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
52. Water table in rocks of Cenozoic and Paleozoic age, 1980, Yucca Flat, Nevada Test Site, Nevada 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