By: callanbentley
Image: USGS
License: Public Domain

Uploaded: 25 Apr 2020
Last Updated: 25 Apr 2020

281 megapixels
13,786 x 20,384 pixels
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Wilson, E.D., Moore, R.T., and Cooper, J.R., 1969, Geologic map of Arizona: Arizona Bureau of Mines, , scale 1:500,000.