Hearing conservation for the mineral industry

Author:	Derzay, Raymond C.
Year:	1972
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8564
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	8564
Subjects:	Noise--Physiological effect
	Mineral industries--Safety measures
	Noise control
	Hearing
Link:	https://hdl.handle.net/2027/mdp.39015078515635