21. Potentiometric surface of the Ozark aquifer in northern Arkansas, 1995 Author/Creator: Pugh, Aaron L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
22. Status of water levels and selected water-quality conditions in the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1994-96 Author/Creator: Stanton, Gregory P., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
23. Potentiometric surface and specific conductance of the Sparta and Memphis aquifers in eastern Arkansas, 1995 Author/Creator: Stanton, Gregory P., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
24. Geologic map of the Harrison 1⁰ x 2⁰ quadrangle, Missouri and Arkansas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
25. Maps showing locations of known Mississippi Valley-type deposits and occurrences in the Ozark Mountains region relative to late Cambrian shaly lithofacies, and other shales, Missouri, Arkansas, Kansas, and Oklahoma Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Geological Survey Information Services Resource Type: Map Access & Availability: Loading
26. Cross sections showing stratigraphic and depositional lithofacies of upper Cambrian rocks and the relation of lithofacies to potential for Mississippi Valley-type mineralization in the Harrison 1⁰ x 2⁰ quadrangle, Missouri and Arkansas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Geological Survey Information Services Resource Type: Map Access & Availability: Loading
27. The Conterminous United States Mineral-Resource Assessment Program : background information to accompany folios of geologic and mineral-resource maps of the Harrison 1⁰ x 2⁰ quadrangle, Missouri and Arkansas, and the Joplin 1⁰ x 2⁰ quadrangle, Kansas and Missouri Publication/Creation: Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 1997 Resource Type: Book Access & Availability: Loading
28. Regional potential of selected Paleozoic carbonate units in the northern midcontinent for undiscovered Mississippi Valley-type deposits Author/Creator: Pratt, Walden P., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
29. Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
30. Regional potential of selected Paleozoic carbonate units in the northern midcontinent for undiscovered Mississippi Valley-type deposits Author/Creator: Pratt, Walden P. Publication/Creation: [Washington, D.C.] : U.S. G.P.O., 1995 Resource Type: Book Access & Availability: Loading