Production of explosives in the United States during the calendar year 1930

Author:	Adams, William W.
Additional Authors:	Gerry, L. S.
Year:	1931
Document Type:	USBM
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	C 22.5:509
Series:	Technical paper / Dept. of the Interior, Bureau of Mines ;
Report Number:	509
Subjects:	Coal mine accidents
	Explosives
Links:	https://hdl.handle.net/2027/mdp.39015086470948
	https://hdl.handle.net/2027/mdp.39015077559139