University of Illinois Urbana-Champaign

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Showing 8611–8640 of 9,257 items
Thumbnail for Year-book for 1906
Year-book for 1906
Illinois State Geological Survey

Thumbnail for Water-use law in Illinois
Water-use law in Illinois
Mann, Fred L.; Krausz, Norman George Phillip; Ellis, Harold H.

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