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Jon James Tollefson papers

Identifier: RS 9/12/23

Jon Tollefson was a professor in the Iowa State University Department of Entomology until his retirement in 2010. His research focused on crop pests, specifically corn rootworms. The collection contains published scientific journal articles, course information, grant proposals, various insecticide reports, and field test slides.

Dates: 1916-2009, undated

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