University of Illinois Urbana-Champaign

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Showing 8671–8700 of 8,719 items
Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Illinois Agricultural Pesticides Conference: summaries of presentations
Illinois Agricultural Pesticides Conference: summaries of presentations
University of Illinois at Urbana-Champaign. College of Agriculture Cooperative Extension Service

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