University of Illinois Urbana-Champaign

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Showing 2521–2550 of 2,888 items
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 Oil and gas development in Illinois in 1954
Oil and gas development in Illinois in 1954
Bell, Alfred Hannam; Kline, Virginia Harriet

Thumbnail for Kankakee River area assessment
Kankakee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis