University of Illinois Urbana-Champaign

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Showing 2671–2700 of 4,599 items
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 Farm news for weeklies. 1957
Farm news for weeklies. 1957
Submitter: Howard Ding

Thumbnail for Testing individual cows
Testing individual cows
Hopper, Herbert A.