Search U.S. government technical reports digitized or harvested by TRAIL.
Re-treatment of Sayreton jig middlings on coal-washing tables
Washability data on certain coal beds of Alabama with special reference to sulphur elimination
Washability studies of Blue Creek Bed at Connellsville Mine, Connellsville, Ala.
Washability studies of coal from the Mary Lee Bed at the Bankhead Mine, Bankhead, Ala.
The cleaning of fine coal from the Mary Lee Bed at the Porter Mine
Washability studies of coal from the Henry Ellen Bed at Acmar No. 5 Mine, Acmar, Ala.
Table cleaning of fine coal from the Thompson and Woodstock beds of the Cahaba Field, Alabama
A washability study of the Black Creek Coal bed at Yolande No. 6, Rockcastle, Ala.
Classification and tabling of table middlings at the Colta Coal Washery, Flat Creek, Ala.