University of Illinois Urbana-Champaign

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Showing 3361–3390 of 4,126 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 The 1980-1981 drought in Illinois causes, dimensions, and impact
The 1980-1981 drought in Illinois causes, dimensions, and impact
Changnon, Stanley A., Jr.; Achtemeier, Gary L.; Hilberg, Steven D.; Knapp, H. Vernon; Olson, Robert D.; Roberts, Wyndham J.; Vinzani, Peter G.

Thumbnail for Handbook of Illinois stratigraphy
Handbook of Illinois stratigraphy
Willman, Harold Bowen; Atherton, Elwood; Buschbach, T.C.; Collinson, Charles William; Frye, John Chapman; Hopkins, M.E.; Lineback, Jerry Alvin; Simon, Jack A.