University of Illinois Urbana-Champaign

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Showing 571–600 of 825 items
Thumbnail for Petroleum industry in Illinois, 1959
Petroleum industry in Illinois, 1959
Bell, Alfred Hannam; Mast, Richard F.; Oros, Margaret O.; Sherman, Carl W.; Van Den Berg, Jacob

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey