University of Illinois Urbana-Champaign

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Showing 8521–8550 of 9,058 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Sediment management for Horseshoe Lake and its watershed, Alexander County, Illinois
Sediment management for Horseshoe Lake and its watershed, Alexander County, Illinois
Lee, Ming T.; Bhowmik, Nani G.; Makowski, Paul B.; Blakley, Donald S.; Raman, Raman K.; Bogner, William C.; Fitzpatrick, William P.

Thumbnail for Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Page, Lawrence M.; Cummings, Kevin S.; Mayer, Christine A.; Post, Susan L.; Retzer, Michael E.