Search U.S. government technical reports digitized or harvested by TRAIL.
Recent developments in combination cleaning and dewatering of fine sizes of coal
Froth-flotation practice in coal-preparation plants of Western Europe and Great Britain
Laboratory evaluation of vacuum flotation for cleaning coal fines
Washability study of the Pratt bed at the Davidson mine, Graysville, Ala.
Laboratory and Full-Scale Sulfur Elimination Tests on Coal from Pratt Bed, Alabama