21. Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Little Rock, Ark.] : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
22. Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
23. Water-level maps of the alluvial aquifer, Northwestern Mississippi, September 1983 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
24. Water-level maps of the alluvial aquifer northwestern Mississippi, April 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : Department of the Interior, United States Geological Survey, 1982 Resource Type: Map Access & Availability: Loading
25. Water-level maps of the alluvial aquifer in eastern Arkansas, 1985 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
26. Water-level changes in the High Plains regional aquifer, northwestern Oklahoma, predevelopment to 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Oklahoma City, Oklahoma : U.S. Department of the Interior, U.S. Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
27. 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
28. Water resources of the unconfined aquifer system of the Great Egg Harbor River Basin, New Jersey, 1989-90 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: West Trenton, N.J. : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
29. Water level and saturated thickness maps of the alluvial aquifer in eastern Arkansas, 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
30. Unconsolidated aquifers in upstate New York--Finger Lakes sheet Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : United States Department of the Interior, Geological Survey, 1988 Resource Type: Map Access & Availability: Loading