University of Illinois Urbana-Champaign

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Showing 211–240 of 547 items
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

Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley

Thumbnail for Mississippian stratotypes
Mississippian stratotypes
Collinson, Charles; Baxter, James W.; Norby, R.D.; Lane, H.R.; Brenckle, Paul D.

Thumbnail for Rock River Area Assessment
Rock River Area Assessment
Illinois Department of Natural Resources

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

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey

Thumbnail for Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley