Progress reports :metallurgical division.

Author:	Clemmer, J. Bruce.
Additional Authors:	DeVaney, F. D.
Year:	1941
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3553
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3553
Subjects:	Gypsum ores
	Flotation
Link:	https://hdl.handle.net/2027/mdp.39015078475558