Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, Spring, 1992 [map] / U.S. Department of the Interior, U.S. Geological Survey ; by Paul W. Westerfield and David T. Poynter ; prepared in cooperation with the Arkansas Geological Commission [and others].
Scale approximately 1:1,000,000. (W 92 030ʹ--W 89 045ʹ/N 36 030ʹ--N 33 000ʹ). Scale approximately 1:500,000. (W 92 030ʹ--W 89 045ʹ/N 36 030ʹ--N 33 000ʹ).
Note
Distributed to depository libraries in microfiche. Shipping list no.: 97-0273-M. Includes text, bibliography, 1 index map, 1 table, and 1 diagram. Relief shown by spot heights.
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