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Rock-dusting in coal mines

Effective rock-dusting of coal mines

Rock-dust barriers for coal mines

Published Year

• 1920-1929 (3) *

Subject

• Coal mines and mining--Safety measures (3) *
• Mine explosions (3)

Author

• Rice, George S. (3) *
• Greenwald, H. P. (1)
• Harrington, D. (1)
• Howarth, H. C. (1)
• Sayers, R. R. (1)

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