Explosives accidents in California metal mines

Author:	Ash, S. H.
Year:	1933
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6725
Series:	Information circular / Bureau of Mines ;
Report Number:	6725
Subjects:	Mines and mineral resources--California
	Mine explosions
	Mine accidents
Link:	https://hdl.handle.net/2027/mdp.39015077572371