University of Illinois Urbana-Champaign

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Showing 31–60 of 131 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 Illinois agricultural pesticides conference: Proceedings
Illinois agricultural pesticides conference: Proceedings
University of Illinois at Urbana-Champaign. College of Agricultural, Consumer, and Environmental Sciences. Cooperative Extension Service