Electromagnetic technique for locating boreholes

Author:	Sacks, H. Kenneth.
Year:	1978
Document Type:	BMRA
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8302
Series:	Report of Investigations / Bureau of Mines ;
Report Number:	8302
Subjects:	Boring
	Mine rescue work--Equipment and supplies
	Electromagnetic measurements
Link:	https://hdl.handle.net/2027/mdp.39015078483479