University of Illinois Urbana-Champaign

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Showing 9841–9870 of 28,084 items
Thumbnail for Cache River Area Assessment
Cache River Area Assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Activated sludge studies, 1920-1922
Activated sludge studies, 1920-1922
Buswell, Arthur M.; Brensky, A.A.; Neave, S.L.; Long, H.L.

Thumbnail for On the Merits of Direct Observation of Periodical Usage: An Empirical Study
On the Merits of Direct Observation of Periodical Usage: An Empirical Study
Bustion, Marifran; Eltinge, John L.; Harer, John B.