University of Illinois Urbana-Champaign

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Showing 31–60 of 103 items
Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.

Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois birds, Corvidae
Illinois birds, Corvidae
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex

Thumbnail for Lower Des Plaines River area assessment
Lower Des Plaines River area assessment
Submitter: Steven Mccauley