University of Illinois Urbana-Champaign

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Showing 6271–6300 of 6,480 items
Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey

Thumbnail for Illinois crop protection technology conference: Proceedings
Illinois crop protection technology conference: Proceedings
University of Illinois at Urbana-Champaign. College of Agricultural, Consumer, and Environmental Sciences. Cooperative Extension Service

Thumbnail for Annotated bibliography of observations on Illinois water resources 1673-1850
Annotated bibliography of observations on Illinois water resources 1673-1850
Schlunz, Thomas P.; Sutton, Robert M.; White, George W.