University of Illinois Urbana-Champaign

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Showing 9871–9900 of 10,787 items
Thumbnail for Geology for planning in the Springfield-Decatur region, Illinois
Geology for planning in the Springfield-Decatur region, Illinois
Bergstrom, Robert E.; Piskin, Kemal; Follmer, Leon R.

Thumbnail for Petroleum industry in Illinois in 1957
Petroleum industry in Illinois in 1957
Bell, Alfred Hannam; Kline, Virginia Harriet; Sherman, Carl W.