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Modification of Bureau of Mines BERC rock dust meter

Electromagnetic technique for locating boreholes

Published Year

• 1970-1979 (2)

Subject

• Boring (1)
• Electromagnetic measurements (1)
• Mine dusts--Measurement (1)
• Mine rescue work--Equipment and supplies (1)

Author

• Sacks, H. Kenneth. (2) *
• Martin, Dan, (1)

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