By: callanbentley
Image: USGS
License: Public Domain

Uploaded: 21 Apr 2020
Last Updated: 21 Apr 2020

156 megapixels
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Haley, B.R., Glick, E.E., Bush, W.V., Clardy, B.F., Stone, C.G., Woodward, M.B., and Zachry, D.L., 1993, Geologic map of Arkansas: U.S. Geological Survey, , scale 1:500,000