University of Illinois Urbana-Champaign

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Showing 4471–4500 of 4,767 items
Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Parr, Samuel Wilson; Palmer, George Thomas; Udden, Johan August

Thumbnail for Proceedings: second Sanitary Engineering Conference: radiological aspects of water supplies
Proceedings: second Sanitary Engineering Conference: radiological aspects of water supplies
Illinois State Department of Public Health and the University of Illinois

Thumbnail for Farm news for weeklies. 1949
Farm news for weeklies. 1949
Submitter: Howard Ding