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Some practical aspects of appraising coal-washing results

Laboratory cleaning trials on a Pennsylvania anthracite in a baum-type jig and a dense-medium pilot plant

Plant performance tests of the tromp dense-medium coal-cleaning process

Washability examinations of coals from the Rocky Mountain and Pacific coast states

Washability of coals from the Matanuska Valley and Beluga River fields, Alaska

Performance of tables in cleaning Alaska coals

Performance of Baum jigs in treating Rocky Mountain coals

Washability studies and cleaning trials on coals from Pierce County, Wash.

Predicted results of cleaning Appalachian coals at low density for sulfur reduction


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