University of Illinois Urbana-Champaign

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Showing 31–60 of 2,150 items
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 Illinois Climate Calendar
Illinois Climate Calendar
Hillberg Steven D.; Sinclair, Robert A.