University of Illinois Urbana-Champaign

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Showing 241–270 of 29,465 items
Thumbnail for Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Illinois State Geological Survey; Kay, Fred Hall; Brokaw, Albert Dudley; St. Clair, Stuart; Butts, Charles

Thumbnail for 46th Illinois Fire College Brochure
46th Illinois Fire College Brochure
Illinois Fire Service Institute

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 Year-book for 1906
Year-book for 1906
Illinois State Geological Survey

Thumbnail for Physiographic divisions of Illinois
Physiographic divisions of Illinois
Leighton, Morris M.; Ekblaw, George E.; Horberg, Leland

Thumbnail for Effect of Contrail Cirrus on Surface Weather Conditions in the Midwest - Phase I
Effect of Contrail Cirrus on Surface Weather Conditions in the Midwest - Phase I
Changnon, Stanley A., Jr.; Semonin, Richard G.; Wendland, Wayne M.