University of Illinois Urbana-Champaign

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Showing 1561–1590 of 14,524 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. 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 Proceedings: fourth Sanitary Engineering Conference: water distribution systems
Proceedings: fourth Sanitary Engineering Conference: water distribution systems
Illinois State Department of Public Health; University of Illinois at Urbana-Champaign

Thumbnail for Front Matter
Front Matter
Submitter: Howard Ding

Thumbnail for Annual register. 1946-47
Annual register. 1946-47
University of Illinois at Urbana-Champaign