University of Illinois Urbana-Champaign

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Showing 241–270 of 1,113 items
Thumbnail for Composition and character of Illinois coals,
Composition and character of Illinois coals,
Parr, Samuel Wilson; Bement, Alburto; Breckenridge, Lester Paige

Thumbnail for Twenty-fourth annual report of the Power Affiliates Program.
Twenty-fourth annual report of the Power Affiliates Program.
Chapman, Patrick L.; Gross, George; Helm, M.S.; Krein, P.T.; Kimball, Jonathan; Overbye, T.J.; Pai, M.A.; Sauer, P.W.

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.