A Short-range locator system for detecting trapped miners

Additional Authors:	Pittman, Walter E., Webb, William E., Boyle, James R., Church, R. H.
Year:	1984
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8844
Series:	Report of investigations / Bureau of Mines ;
Report Number:	8844
Subjects:	Mine communication systems
	Mine rescue work--Equipment and supplies
	Radio--Transmitters and transmission
Link:	https://hdl.handle.net/2027/mdp.39015078470559