Search U.S. government technical reports digitized or harvested by TRAIL.
Plant performance tests of the tromp dense-medium coal-cleaning process
Washability characteristics of Mammoth and Holmes vein anthracites
Preparation characteristics of coal from Boone County, W. Va.
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
Washability characteristics of the lower Hartshorne (Spadra) coalbed near Clarksville, Ark.
Evaluation of washery performance
Performance of Baum jigs in treating Rocky Mountain coals
Performance characteristics of coal-washing equipment :concentrating tables
Washability studies and cleaning trials on coals from Pierce County, Wash.
Performance characteristics of coal-washing equipment :sand cones
Performance characteristics of coal-washing equipment :dense-medium coarse-coal vessels
Predicted results of cleaning Appalachian coals at low density for sulfur reduction