University of Illinois Urbana-Champaign

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Showing 5941–5970 of 6,815 items
Thumbnail for Illinois birds, Wood warblers
Illinois birds, Wood warblers
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex

Thumbnail for Pennsylvanian fusulinidae of Illinois,
Pennsylvanian fusulinidae of Illinois,
Dunbar, Carl O.; Henbest, Lloyd G.; Weller, J. Marvin

Thumbnail for Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
Quaternary deposits and history of the ancient Mississippi River Valley, north-central Illinois
McKay, E. Donald, III; Berg, Richard C.; Hansel, Ardith K.; Kemmis, Timothy J.; Stumpf, Andrew J.

Thumbnail for Environmental impacts of oil field brines in Southeastern Clay County, Illinois
Environmental impacts of oil field brines in Southeastern Clay County, Illinois
Hensel, Bruce R.; McKenna, Dennis P.; Adams, J. Rodger

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey