University of Illinois Urbana-Champaign

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Showing 991–1020 of 2,401 items
Thumbnail for Structural framework of the Mississippi embayment of southern Illinois
Structural framework of the Mississippi embayment of southern Illinois
Kolata, Dennis R.; Treworgy, Janis D.; Masters, John M.

Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis