University of Illinois Urbana-Champaign

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Showing 61–90 of 708 items
Thumbnail for Wetland resources of Illinois : an analysis and atlas
Wetland resources of Illinois : an analysis and atlas
Suloway, Liane B.; Hubbell, Marvin E.

Thumbnail for Franklin County surface water resources
Franklin County surface water resources
Allen, James S.; Wayne, Tom

Thumbnail for Some unusual natural areas in Illinois
Some unusual natural areas in Illinois
Evers, Robert August; Page, Lawrence M.

Thumbnail for The petroleum industry of southeastern Illinois
The petroleum industry of southeastern Illinois
Blatchley, Willis Stanley; Weller, Stuart

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding