University of Illinois Urbana-Champaign

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Showing 61–90 of 732 items
Thumbnail for Coal washing in Illinois
Coal washing in Illinois
Lincoln, Francis Church

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

Thumbnail for Illinois mineral industry in 1945
Illinois mineral industry in 1945
Voskuil, Walter Henry; Stevens, Douglas F.; Hamrick, Nina T.

Thumbnail for Fuel tests with Illinois coal
Fuel tests with Illinois coal
Breckenridge, Lester Paige; Diserens, Paul

Thumbnail for Gas purification in the medium-size gas plants of Illinois.
Gas purification in the medium-size gas plants of Illinois.
Dunkley, William Albert; Barnes, Clifton E.

Thumbnail for Bituminous coal storage practice
Bituminous coal storage practice
Stoek, Harry Harkness; Hippard, Clemence William

Thumbnail for Mineral production in Illinois in 1955
Mineral production in Illinois in 1955
Voskuil, Walter Henry; Busch, Willis L.