University of Illinois Urbana-Champaign

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Showing 8491–8520 of 13,898 items
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Additional Content
Submitter: Howard Ding

Thumbnail for A Technique for Evaluating Algal Growth Potential in Illinois Surface Waters
A Technique for Evaluating Algal Growth Potential in Illinois Surface Waters
Wang, Wuncheng; Sullivan, William T.; Evans, Ralph L.

Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.