Search U.S. government technical reports digitized or harvested by TRAIL.
Washability studies of the Mary Lee bed at Hull Mine, Dora, Ala.
Washability studies of the Brookwood Bed at the Warrior View Mine, Tuscaloosa, Ala.
Washability data on certain coal beds of Alabama with special reference to sulphur elimination
Re-treatment of fine washed coal from the Black Creek and Mary Lee Beds on coal washing tables
Washability studies of coal from the Henry Ellen Bed at Acmar No. 5 Mine, Acmar, Ala.
The flotation of Alabama graphite ores
An explanation of washability curves for the interpretation of float-and-sink data on coal
Concentration of southern barite ores
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.
Washability studies of the America and Pratt coal beds at Gorgas, Ala.
A washability study of the Woodstock coal bed at Klondyke mine, West Blocton, Ala.