Annual report of the nonmetals division, fiscal year 1937

Author:	Ralston, Oliver C.
Year:	1937
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6974
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6974
Subjects:	Nonmetals
	Nonmetallic minerals
Link:	https://hdl.handle.net/2027/mdp.39015077569906