University of Illinois Urbana-Champaign

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Showing 4321–4350 of 4,795 items
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 The Summary of Engineering Research 2003
The Summary of Engineering Research 2003
University of Illinois at Urbana-Champaign. College of Engineering

Thumbnail for Special to farm advisers / 1952
Special to farm advisers / 1952
Submitter: Howard Ding

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

Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.