University of Illinois Urbana-Champaign

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Showing 4321–4350 of 8,675 items
Thumbnail for Projected effects of increased diversion of Lake Michigan water on the environment of the Illinois River Valley
Projected effects of increased diversion of Lake Michigan water on the environment of the Illinois River Valley
Havera, Stephen P.; Bellrose, Frank C.; Archer, H. Kathleen; Paveglio, Fred, Jr.; Steffeck, Donald W.; Lubinski, Kenneth S.; Sparks, Richard E.; Brigham,Warren U.; Coutant,Larry; Waite,Stephan; McCormick,Dee

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for It says here / 1961-62
It says here / 1961-62
Submitter: Howard Ding

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.