University of Illinois Urbana-Champaign

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Showing 361–390 of 1,015 items
Thumbnail for Annual register. 1918-19
Annual register. 1918-19
University of Illinois at Urbana-Champaign

Thumbnail for Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Page, Lawrence M.; Cummings, Kevin S.; Mayer, Christine A.; Post, Susan L.; Retzer, Michael E.

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 Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry