University of Illinois Urbana-Champaign

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Showing 1291–1320 of 1,839 items
Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Annual register. 1923-24
Annual register. 1923-24
University of Illinois at Urbana-Champaign

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