"Computer generated map./ ""Base map compiled at the Illinois State Geological Survey from digital data provided by the U.S. Geological Survey, the Illinois Department of Transportation, and the Illinois State Geological Survey. Railroads updated to 1996.""/ ""This map is preliminary ...""/ Includes 1 ancillary map./ Includes bibliographical references"
Publisher
Illinois State Geological Survey, Department of Natural Resources
Series/Report Name or Number
Open File Series 2000-07
Type of Resource
text
Language
en
Permalink
http://hdl.handle.net/2142/55749
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