Progress reports - metallurgical division.

Author:	Dean, R. S.
Year:	1937
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3331
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3331
Subjects:	Ore-dressing
	Metallurgy
	Ores--Testing
Links:	https://hdl.handle.net/2027/mdp.39015078518423
	no.3331-3350 1937