Rock-dust does stop or limit mine explosions

Author:	Harrington, D.
Year:	1932
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
Series:	Information circular / Department of Commerce Bureau of Mines ;
Report Number:	6596.
Subjects:	Explosions
	Mine explosions
	Mine dusts
Link:	https://hdl.handle.net/2027/mdp.39015086485292