University of Illinois Urbana-Champaign

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Showing 9421–9450 of 13,529 items
Thumbnail for The storage of bituminous coal
The storage of bituminous coal
Stoek, Harry Harkness

Thumbnail for Heat drying coals at moderate temperatures before coking
Heat drying coals at moderate temperatures before coking
Jackman, Harold Wesley; Helfinstine, Roy John