Search U.S. government technical reports digitized or harvested by TRAIL.
Fine-screening of coal :testing of the sieve bend
Performance characteristics of coal-washing equipment :concentrating tables
Preparation characteristics of coal from Fayette County, W. Va.
Performance characteristics of coal-washing equipment :sand cones
Preparation characteristics of coal from Barbour County, W. Va.
Preparation characteristics of coal from Randolph County, W. Va.
Reclaiming magnetite in dense-medium circuits by froth flotation
Preparation characteristics of coal from Webster County, W. Va.
Steam as a coal dewatering aid during vacuum filtration :a pilot plant study
Survey of sulfur reduction in Appalachian Region coals by stage crushing
Preparation characteristics of coal from Upshur County, W. Va.
Preparation characteristics of coal from Clarion County, Pa.
Evaluation of synthetic organic flocculants in the treatment of coal refuse slurries