An explanation of washability curves for the interpretation of float-and-sink data on coal

Author:	Coe, G. D.
Year:	1938
Document Type:	USBI
Issuing Agency:	United States, Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7045
Series:	Information circular / United States. Dept. of the Interior. Bureau of Mines ;
Report Number:	7045
Subjects:	Coal washing--Analysis
	Coal preparation
Link:	https://hdl.handle.net/2027/mdp.39015074126031