University of Illinois Urbana-Champaign

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Showing 541–570 of 5,435 items
Thumbnail for Study of Air Pollution Scavenging: Fifteenth Progress Report
Study of Air Pollution Scavenging: Fifteenth Progress Report
Semonin, Richard G.; Ackerman, Bernice; Gatz, Donald F.; Hilberg, Steven D.; Peden, Mark E.; Stahlhut, Randall K.; Stensland, Gary J.

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 Distribution and Relative Abundance of the Gray Squirrel in Illinois
Distribution and Relative Abundance of the Gray Squirrel in Illinois
Nixon, Charles M.; Havera, Stephen P.; Greenberg, Robert E.

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 Engineering and legal aspects of land drainage in Illinois.
Engineering and legal aspects of land drainage in Illinois.
Pickels, George Wellington; Leonard, Frank Bonner