Search U.S. government technical reports digitized or harvested by TRAIL.
Washability studies of the Clark and Gholson coal beds at Boothton, Ala.
A combination cleaning and dewatering process for treating fine sizes of coal :preliminary report
Washability study of coal from a strip pit bed on the Cumberland Plateau, near Chalybeate Van Buren County, Tenn.
Investigation of Coal Deposits in the Fairview and Coal City Basins of Coosa Field, St. Clair County, Alabama: Reserves, Petrography, and Chemical Properties of Coals; Washability Characteristics of Coal from Fairview Bew; and Geology of Area