University of Illinois Urbana-Champaign

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Showing 1171–1200 of 1,276 items
Thumbnail for Introduction to human ecology
Introduction to human ecology
University of Illinois. Committee on Human Ecology

Thumbnail for Soil survey, Montgomery County, Illinois 86
Soil survey, Montgomery County, Illinois 86
Downey, C.E.; Odell, Russell Turner

Thumbnail for Petroleum industry in Illinois in 1956.
Petroleum industry in Illinois in 1956.
Bell, Alfred Hannam; Kline, Virginia Harriet; Pierre, Donald A.

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