University of Illinois Urbana-Champaign

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Showing 661–690 of 1,288 items
Thumbnail for Annual register. 1917-18
Annual register. 1917-18
University of Illinois at Urbana-Champaign

Thumbnail for Proceedings: third Sanitary Engineering Conference: disinfection and chemical oxidation in water and waste treatment
Proceedings: third Sanitary Engineering Conference: disinfection and chemical oxidation in water and waste treatment
Illinois State Department of Public Health Division of Sanitary Engineering and the University of Illinois Department of Civil Engineering

Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey

Thumbnail for Illinois mineral industry in 1942
Illinois mineral industry in 1942
Voskuil, Walter Henry; Stevens, Douglas F.