University of Illinois Urbana-Champaign

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Showing 1921–1950 of 2,169 items
Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Annual register. 1895-1898
Annual register. 1895-1898
University of Illinois at Urbana-Champaign

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. 1898-1901
Annual register. 1898-1901
University of Illinois at Urbana-Champaign