University of Illinois Urbana-Champaign

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Showing 31–60 of 3,064 items
Thumbnail for Surficial Geology of St. Clair County, Illinois
Surficial Geology of St. Clair County, Illinois
Grimley, David A.; Phillips, Andrew C.

Thumbnail for Soybean production in Illinois
Soybean production in Illinois
Hackleman, Jay Courtland; Burlison, William Leonidas; Sears, Ogle Hesse