Bedrock geology of the White River Basin

Modified from Gray, H.H., Ault, C.H., and Keller, S.J., 1987, Bedrock geologic map of Indiana: Indiana Geological Survey, Miscellaneous Map no. 48, scale 1:500,000.

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Last Update: 05/29/2001
This page is maintained by Charles Crawford (send questions or comments to cgcrawfo@usgs.gov).
The URL for this page is http://in.water.usgs.gov/nawqa/wr02003.htm
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