University of Illinois Urbana-Champaign

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Showing 6391–6420 of 6,458 items
Thumbnail for Petroleum industry in Illinois, 1966
Petroleum industry in Illinois, 1966
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Illinois Technograph v. 036 (1923-1924)
Illinois Technograph v. 036 (1923-1924)
Submitter: Timothy Donohue

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

Thumbnail for Illinois Technograph v. 078 (1962-1963)
Illinois Technograph v. 078 (1962-1963)
Submitter: Timothy Donohue