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What the coal miners can do to prevent injury from falls of roof

How to prevent death and injury from falls of roof in coal mines

Coal-mine explosives :their characteristics, selection and safe use

Published Year

• 1930-1939 (3) *

Subject

• Coal mine accidents (3) *
• Coal mines and mining (3) *
• Mine explosions (1)
• Mine safety (1)

Author

• Paul, J. W. (2)
• Tiffany, J. E. (1)

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