Washability characteristics of the lower Hartshorne (Spadra) coalbed near Clarksville, Ark.

Author:	Palowitch, Eugene R.
Additional Authors:	Gray, T. E.
Year:	1962
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6059
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6059
Subjects:	Coal washing
	Coal--Arkansas
Link:	https://hdl.handle.net/2027/mdp.39015078524371