Modified from Gray, H.H., 1989, Quaternary geologic map of Indiana: Bloomington, Ind., Indiana Geological Survey Miscellaneous Map 49, scale 1:500,000.
and
Soller, D.R., 1993, Map showing the thickness and character of
Quaternary sediments in the glaciated United States east of the Rocky
Mountains-Northeastern States, the Great Lakes, and parts of southern
Ontario and the Atlantic offshore area: U.S. Geological Survey
Miscellaneous Investigations Series Map I-1970-A, scale
1:1,000,000.
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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/wr02004.htm
U.S. Geological Survey, 5957 Lakeside Boulevard, Indianapolis, IN
46278, USA