University of Illinois Urbana-Champaign

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Showing 361–390 of 3,899 items
Thumbnail for Bedrock geology of Valmeyer quadrangle, Monroe County, Illinois
Bedrock geology of Valmeyer quadrangle, Monroe County, Illinois
Denny, F. Brett; Jacobson, Russell J.; Nelson, W. John

Thumbnail for Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley

Thumbnail for Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley

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

Thumbnail for Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
McKay, E. Donald, III; Berg, Richard C.; Hansel, Ardith K.; Kemmis, Timothy J.; Stumpf, Andrew J.

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