University of Illinois Urbana-Champaign

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Showing 9451–9480 of 57,445 items
Thumbnail for Sidestream elevated pool aeration (SEPA) stations : effects on in-stream dissolved oxygen
Sidestream elevated pool aeration (SEPA) stations : effects on in-stream dissolved oxygen
Butts, Thomas A.; Shackleford, Dana B.; Bergerhouse, Thomas R.

Thumbnail for General catalog / 1984 sup.
General catalog / 1984 sup.
University of Illinois Film Center

Thumbnail for Observations on the ecology of water striders
Observations on the ecology of water striders
Riley, Charles Frederick Curtis

Thumbnail for Report on Bird Hazard Algorithm
Report on Bird Hazard Algorithm
Larkin, Ronald P.; Quine, Douglas B.