University of Illinois Urbana-Champaign

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Showing 3991–4020 of 4,649 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 Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry