University of Illinois Urbana-Champaign

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Showing 1741–1770 of 2,562 items
Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines 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 Annual register. 1922-23
Annual register. 1922-23
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1923-24
Annual register. 1923-24
University of Illinois at Urbana-Champaign