Search U.S. government technical reports digitized or harvested by TRAIL.
Performance characteristics of coal-washing equipment :concentrating tables
Performance characteristics of coal-washing equipment :sand cones
Washability examinations of Colorado coals
Washability examinations of Wyoming coals
Performance characteristics of coal-washing equipment :dense-medium cyclones
Washability examinations of core samples of San Juan Basin coals, New Mexico and Colorado
Washing fine-size coal in a dense-medium cyclone
Performance characteristics of coal-washing equipment:hydrocyclones