University of Illinois Urbana-Champaign

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Showing 1741–1770 of 1,978 items
Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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

Thumbnail for It says here / 1961-62
It says here / 1961-62
Submitter: Howard Ding