Some safety practices for metal mines, nonmetal mines (other than coal), mills, metallurgical plants, and quarries.

Year:	1946
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7387
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	7387
Subjects:	Mines and mineral resources--Safety measures
	Ore-dressing plants--Safety measures
	Metallurgical plants--Safety measures
	Quarries and quarrying--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015074127732