University of Illinois Urbana-Champaign

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Showing 1111–1140 of 2,148 items
Thumbnail for Evaluation of reaeration efficiencies of sidestream elevated pool aeration (SEPA) stations
Evaluation of reaeration efficiencies of sidestream elevated pool aeration (SEPA) stations
Butts, Thomas A.; Shackleford, Dana B.; Bergerhouse, Thomas R.

Thumbnail for Annual register. 1908-1909
Annual register. 1908-1909
University of Illinois at Urbana-Champaign

Thumbnail for Illinois groundwater : a vital geologic resource
Illinois groundwater : a vital geologic resource
Killey, Myrna M.; Larson, David R.