Progress reports - metallurgical division.

Year:	1938
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3370
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3370
Subjects:	Ore-dressing
	Metallurgy
	Ores--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078518118