University of Illinois Urbana-Champaign

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Showing 721–750 of 867 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 Annual register. 1922-23
Annual register. 1922-23
University of Illinois at Urbana-Champaign

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 Annual register. 1925-26
Annual register. 1925-26
University of Illinois at Urbana-Champaign