University of Illinois Urbana-Champaign

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Showing 841–870 of 1,939 items
Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Bedrock geology of Harrisburg Quadrangle, Saline County, Illinois
Bedrock geology of Harrisburg Quadrangle, Saline County, Illinois
Denny, F. Brett; Jacobsen, Russell J.; Nelson, W. John

Thumbnail for Illinois geology from space
Illinois geology from space
Lineback, Jerry Alvin

Thumbnail for 2005 Annual Report
2005 Annual Report
Submitter: Laura Barnes

Thumbnail for 2004 Annual Report
2004 Annual Report
Submitter: Laura Barnes