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Start Over Publisher Institute of Natural Resources, State of Illinois, Illinois State Geological Survey Temporal Coverage Quaternary Format cartographic image

1. Quaternary deposits of Illinois

Yale Public content
1979. 2018-04-18T19:57:42Z. 2018-09-05T19:20:24Z. Lineback, Jerry Alvin, compiler. Institute of Natural Resources, State of Illinois, Illinois State Geological Survey. English. cartographic image. Public. Illinois and Illinois. Quaternary and From 2 million years ago.

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