Behavior of Clays Associated with Low-rank Coals in Coal- Cleaning Processes

Washability Examinations of Coals from the Rocky Mountain and Pacific Coast States

Preparation Tests of Lignite from a Deposit Near Toledo, Lewis County, Wash

Evaluation of Washery Performance

Laboratory Cleaning Trials on a Pennsylvania Anthracite in a Baum-type Jig and a Dense-medium Pilot Plant

Fine-screening of Coal: Testing of the Sieve Bend

Flocculation as an Aid to Filtration of Coal Slurry

Recovery of Coal from Washery Refuse: Some Examples of the Effect of Continuous Mining Machines on Preparation Problems

Plant Performance Tests of the Tromp Dense-medium Coal-cleaning Process

Amenability of Coals from the Roslyn-Cle Elum (Washington) Field to the Production of High-ash Boiler Fuel

Byproduct Coke-oven Tests of Washington Coals

Washability Studies and Cleaning Trials on Coals from Pierce County, Wash

Predicted Results of Cleaning Appalachian Coals at Low Density for Sulfur Reduction

The Role of Viscosity in Dense-medium Coal Cleaning

Disposal of Solid Wastes from Coal Mining in Washington, Oregon, and Montana

Byproduct Coke-oven Tests of Washington Coals: Issues 3716-3730

Performance of Dense-medium Cyclone in Cleaning Fine Coal

Some Practical Aspects of Appraising Coal-washing Results

Cleaning Unsized Fine Coal in a Dense-medium Cyclone Pilot Plant

Washability of Coals from the Matanuska Valley and Beluga River Fields, Alaska