University of Illinois Urbana-Champaign

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Showing 7711–7740 of 15,900 items
Thumbnail for Groundwater Discharge to Illinois Streams
Groundwater Discharge to Illinois Streams
O'Hearn, Michael; Gibb, James P.

Thumbnail for Oil and gas development in Illinois in 1939
Oil and gas development in Illinois in 1939
Bell, Alfred Hannam; Cohee, George Vincent

Thumbnail for Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves