Methods for protection against silicosis and when they are justified

Author:	Harrington, D.
Year:	1938
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6989
Series:	Information circular / Bureau of Mines ;
Report Number:	6989
Subjects:	Industrial hygiene
	Occupational diseases
	Silicosis
	Lungs--Dust diseases
Link:	https://hdl.handle.net/2027/mdp.39015077575846