University of Illinois Urbana-Champaign

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Showing 31–60 of 30,366 items
Thumbnail for Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Nelson, W. John; Hintz, Jena; Devera, Joseph A.; Denny, F. Brett

Thumbnail for Controlling Johnsongrass in Illinois
Controlling Johnsongrass in Illinois
Slife, Fred Warren; Knake, Ellery L.