University of Illinois Urbana-Champaign

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Showing 6151–6180 of 6,215 items
Thumbnail for Petroleum industry in Illinois in 1957
Petroleum industry in Illinois in 1957
Bell, Alfred Hannam; Kline, Virginia Harriet; Sherman, Carl W.

Thumbnail for Petroleum industry in Illinois, 1966
Petroleum industry in Illinois, 1966
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Quality of surface water in Illinois, 1956-1966
Quality of surface water in Illinois, 1956-1966
Harmeson, Robert Harold; Larson, Thurston Eric