University of Illinois Urbana-Champaign

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Showing 2701–2730 of 8,177 items
Thumbnail for Oil and gas development in Illinois in 1940
Oil and gas development in Illinois in 1940
Bell, Alfred Hannam; Cohee, George Vincent

Thumbnail for Effect of agriculture on Cedar Lake water quality
Effect of agriculture on Cedar Lake water quality
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for Farm radio news. 1959: Jy-D
Farm radio news. 1959: Jy-D
Submitter: Howard Ding