Check determinations of grindability of coal by various methods

Author:	Selvig, W. A.
Year:	1936
Document Type:	BMRA
Issuing Agency:	United States Bureau of Mines,
SUDOC:	I 28.23:3301
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3301
Subjects:	Size reduction of materials
	Coal--Testing
Links:	https://hdl.handle.net/2027/mdp.39015078537092
	no.3301-3316 1936