University of Illinois Urbana-Champaign

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Showing 301–330 of 2,511 items
Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Annual register. 1923-24
Annual register. 1923-24
University of Illinois at Urbana-Champaign

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 Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.