Methods and costs of concentrating tungsten ore at the Nevada Massachusetts Mill, Mill City, Nevada

Author:	Heizer, Ott F.
Year:	1930
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6280
Series:	Information circular / Bureau of Mines ;
Report Number:	6280
Subjects:	Mineral industries--Nevada
	Tungsten ores
Link:	https://hdl.handle.net/2027/mdp.39015077576117