Health and safety activities of the Bureau of Mines :fiscal year 1955

Author:	Westfield, James.
Year:	1956
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7732
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	7732
Subjects:	Mineral industries--United States--Safety measures
	Mines and mineral resources--United States--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078459396