Annual report of the nonmetals division, fiscal year 1939

Author:	Ralston, Oliver C.
Additional Authors:	Ralston, Oliver C.
Year:	1939
Document Type:	BMRA
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.23:3473
Series:	Report of investigations / U.S. Bureau of Mines ;
Report Number:	3473
Subjects:	Nonmetals
	Nonmetallic minerals
Link:	https://hdl.handle.net/2027/mdp.39015078492520