Potentiometric surfaces of the Mississippi River Valley alluvial aquifer in eastern Arkansas, Spring 1972 and 1980 [map] / Department of the Interior, United States Geological Survey ; by D.J. Ackerman
Mississippi River Valley alluvial aquifer in eastern Arkansas, Spring 1972 and 1980, potentiometric surfaces
Cartographic Mathematical Data
Scale approximately 1:500,000. (W 92 0--W 90 0/N 36 0--N 34 0).
Note
Includes text, location map, bibliographical references, and hydrographs of selected wells. Relief shown by spot heights.
Action Note
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