University of Illinois Urbana-Champaign

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Showing 2521–2550 of 82,863 items
Thumbnail for The measurement of air quantities and energy losses in mine entries
The measurement of air quantities and energy losses in mine entries
Smith, Cloyde Moffett; Callen, Alfred Copeland

Thumbnail for Availability of the Herrin coal for mining in Illinois
Availability of the Herrin coal for mining in Illinois
Treworgy, Colin G.; Korose, Christopher P.; Wiscombe, Christine L.

Thumbnail for Oxidation of coal.
Oxidation of coal.
Yohe, Gail Robert