31. Potentiometric-surface maps of the Cockfield and lower Wilcox aquifers in Arkansas, 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
32. Mineral-resource assessment maps of the Harrison 1° x 2° quadrangle, Missouri and Arkansas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
33. Cross sections of Lower Ordovician carbonate depositional lithofacies and Mississippi Valley-type zinc-and iron-sulfide mineralization in the Caulfield district, east-central part of Harrison 1⁰ x 2⁰ quadrangle, Arkansas and Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
34. Lithologic cross sections of phanerozoic rocks in the northern midcontinent, U.S.A Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
35. 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
36. 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
37. Altitude of the potentiometric surface and changes in water levels in the Sparta-Memphis aquifer in eastern and southern Arkansas, spring 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
38. Bouguer gravity of Arkansas Author/Creator: Hendricks, J. D. Publication/Creation: Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1472-1477. Access & Availability: Loading
39. Statistical summary of selected water-quality data (water years 1975 through 1985) for Arkansas rivers and streams Author/Creator: Petersen, James C. 1952- (James Carroll), author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
40. 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