University of Illinois Urbana-Champaign

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Showing 4531–4560 of 4,996 items
Thumbnail for Sinkhole Plain area assessment
Sinkhole Plain area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for A Study of coal mine haulage in Illinois
A Study of coal mine haulage in Illinois
Stoek, Harry Harkness; Hoskin, Arthur Joseph; Fleming, James Russell