University of Illinois Urbana-Champaign

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Showing 9841–9870 of 21,784 items
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ISGS Geonews
Illinois State Geological Survey

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.