University of Illinois Urbana-Champaign

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Showing 301–330 of 1,125 items
Thumbnail for Oxidation of coal.
Oxidation of coal.
Yohe, Gail Robert

Thumbnail for Photographic history of coal mining practices in Illinois
Photographic history of coal mining practices in Illinois
Chenoweth, Cheri A.; Myers, Alan R.; Obrad, Jennifer M.

Thumbnail for Annual newsletter / 194958
Annual newsletter / 194958
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Cretaceous deposits and the Illinoian glacial boundary in western Illinois
Cretaceous deposits and the Illinoian glacial boundary in western Illinois
Frye, John Chapman; Willman, Harold Bowen; Glass, Herbert David