University of Illinois Urbana-Champaign

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Showing 571–600 of 677 items
Thumbnail for Illinois ... football guide. 1991
Illinois ... football guide. 1991
Submitter: Howard Ding

Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Driftless area assessment
Driftless area assessment
Submitter: Steven Mccauley

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.