University of Illinois Urbana-Champaign

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Showing 1921–1950 of 14,386 items
Thumbnail for The Summary of Engineering Research 2006
The Summary of Engineering Research 2006
University of Illinois at Urbana-Champaign. College of Engineering

Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Washability tests of Illinois coals
Washability tests of Illinois coals
Callen, Alfred Copeland; Mitchell, David Ray