University of Illinois Urbana-Champaign

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Showing 1921–1950 of 1,961 items
Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Technical Progress Report
Technical Progress Report
Digital Computer Laboratory. University of Illinois at Urbana-Champaign

Thumbnail for Kankakee River area assessment
Kankakee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis