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
Evaluation of continuous recording X-ray ash meter
Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, northern field
Washability examinations of Colorado coals
Washability examinations of Wyoming coals
Performance characteristics of coal-washing equipment :dense-medium cyclones
Sulfur reduction potential of the coals of the United States
Photoelectric concentrator for the wet concentrating table
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