University of Illinois Urbana-Champaign

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Showing 871–900 of 18,253 items
Thumbnail for Potash shales of Illinois
Potash shales of Illinois
Parr, Samuel Wilson; Krey, Frank; Austin, Miner Manly; Stewart, Robert

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 Illinois Breeding Bird Atlas
Illinois Breeding Bird Atlas
Kleen, Vernon M.; Cordle, Liane; Montgomery, Robert A.

Thumbnail for Annual register. 1925-26
Annual register. 1925-26
University of Illinois at Urbana-Champaign

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for Annual register. 1939-40
Annual register. 1939-40
University of Illinois at Urbana-Champaign