University of Illinois Urbana-Champaign

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Showing 1741–1770 of 2,148 items
Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Rainfall frequency atlas of the Midwest
Rainfall frequency atlas of the Midwest
Huff, Floyd A.; Angel, James R.

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