Search U.S. government technical reports digitized or harvested by TRAIL.
Review of Bureau of Mines coal program,1969
Preparation characteristics of coal from the Ohio coalfield
Blending crushed coal by recycling through a bin equipped with a particle distributor
Preparation characteristics and desulfurization potential of Iowa coals
Physical property data on coal waste embankment materials
Evaluation of a novel electrophoretic separation method to remove pyritic sulfur from coal
Coal-pyrite flotation :a modified technique using concentrated second-stage pulp
Physical properties of western coal waste materials
Beneficiation of coal by selective flocculation,a laboratory study
Coal-pyrite flotation in concentrated pulp :a pilot plant study