University of Illinois Urbana-Champaign

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Showing 4381–4410 of 5,717 items
Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Illinois magazine.
Illinois magazine.
Submitter: Timothy Donohue

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division