University of Illinois Urbana-Champaign

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Showing 1891–1920 of 8,363 items
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Additional Content
Submitter: Howard Ding

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.

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Assessment of public groundwater supplies in Illinois
Assessment of public groundwater supplies in Illinois
Visocky, A.P.; Wehrmann, H.A.; Kim, K.W.