Saving life by barricading in mines and tunnels at times of disaster

Author:	Harrington, Daniel.
Additional Authors:	Bernewitz, Max Wilhelm von,
Year:	1933
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6701
Series:	Information circular / Bureau of Mines ;
Report Number:	6701
Subjects:	Accidents--Prevention--United States
	Blast effect--Testing
	Building, Bombproof--Testing
Link:	https://hdl.handle.net/2027/mdp.39015086485938