University of Illinois Urbana-Champaign

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Showing 2311–2340 of 2,396 items
Thumbnail for Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley

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Spoken words
Hall, William S.; Nagy, William E.; Linn, Robert L.

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