Mine explosions, mine fires, and miscellaneous accidents in the United States during the fiscal year ended June 30, 1930

Author:	Harrington, D.
Additional Authors:	Owings, C. W.
Year:	1931
Document Type:	MAIN
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6419
Series:	Information circular / Bureau of Mines ;
Report Number:	6419
Subjects:	Mine safety--United States--Statistics
	Mine explosions--United States--Statistics
Link:	https://hdl.handle.net/2027/mdp.39015095085778