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Electromagnetic noise in Robena No.4 Coal Mine

An electromagnetic system for detecting and locating trapped miners

Seismic detection of trapped miners using in-mine geophones

Published Year

• 1970-1979 (3) *

Subject

• Mine communication systems (3) *
• Mine safety (3) *

Author

• Powell, James A. (2)
• Adams, John W., (1)
• Bensema, W. D. (1)
• Kanda, Motohisa, (1)
• Watson, Richard A., (1)

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