University of Illinois Urbana-Champaign

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Showing 211–240 of 794 items
Thumbnail for Annual register. 1921-22
Annual register. 1921-22
University of Illinois at Urbana-Champaign

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

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

Thumbnail for Oil and gas development in Illinois in 1947
Oil and gas development in Illinois in 1947
Bell, Alfred Hannam; Kline, Virginia