University of Illinois Urbana-Champaign

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Showing 301–330 of 9,156 items
Thumbnail for Oil and gas development in Illinois in 1939
Oil and gas development in Illinois in 1939
Bell, Alfred Hannam; Cohee, George Vincent

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 Wayne County soils / 49
Wayne County soils / 49
Norton, Ethan Arlo

Thumbnail for Improving the Effectiveness of Smart Work Zone Technologies
Improving the Effectiveness of Smart Work Zone Technologies
Li, Yanning; Martinez Mori, Juan Carlos; Work, Daniel B.

Thumbnail for Technograph. 34 (1921 - 1922)
Technograph. 34 (1921 - 1922)
Submitter: Timothy Donohue