University of Illinois Urbana-Champaign

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Showing 4051–4080 of 7,976 items
Thumbnail for The depth of sewage filters and the degree of purification
The depth of sewage filters and the degree of purification
Buswell, Arthur M.; Strickhouser, Sherman Israel; Pearson, Edmund Lester; Habermeyer, George Conrad; White, Herbert LeRoy; Neave, Sidney Lionel; Symons, G.E.

Thumbnail for Effective discharges of Illinois streams
Effective discharges of Illinois streams
Crowder, David W.; Knapp, H. Vernon

Thumbnail for The biogeochemistry of blue, snow, and Ross' geese
The biogeochemistry of blue, snow, and Ross' geese
Hanson, Harold C.; Jones, Robert L.