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Electromagnetic surface fields due to a magnetic dipole buried in a three-layered earth
Effect of ultralow frequency signaling on blasting array current
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Published Year
1980-1989 (1)
1990-1999 (1)
Subject
Electromagnetic waves--Transmission (2) *
Electric detonators--Safety measures (1)
Fire alarms (1)
Mine communication systems (1)
Mine rescue work--Equipment and supplies (1)
Author
Griffin, Russell E. (1)
Hjelmstad, Kenneth E. (1)
Shope, S. M. (1)
