University of Illinois Urbana-Champaign

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Showing 931–960 of 4,350 items
Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Database of Illinois Lepidoptera Phase II
Database of Illinois Lepidoptera Phase II
Cashatt, Everett D.; Godfrey, George Lawrence