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- Classification and tabling of table middlings at the Colta Coal Washery, Flat Creek, Ala.
- A washability study of the Black Creek Coal bed at Yolande No. 6, Rockcastle, Ala.
- A combination cleaning and dewatering process for treating fine sizes of coal :preliminary report
- Recent developments in combination cleaning and dewatering of fine sizes of coal
- Laboratory evaluation of vacuum flotation for cleaning coal fines