Search U.S. government technical reports digitized or harvested by TRAIL.
Recent developments in combination cleaning and dewatering of fine sizes of coal
Statistical data on the mechanical cleaning of bituminous coal in the United States
Laboratory evaluation of vacuum flotation for cleaning coal fines
Some practical aspects of appraising coal-washing results
Cleaning characteristics and cleaning tests of Montana coal
Dense-medium pilot-plant performance tests on coal
The role of viscosity in dense-medium coal cleaning