Search U.S. government technical reports digitized or harvested by TRAIL.
Some practical aspects of appraising coal-washing results
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