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Record of the Pittsburgh testing station standard dynamite

Fatal accident from entering unventilated raise after blasting

Permissible explosives defined

Published Year

• 1920-1929 (3) *

Subject

• Explosives (3) *
• Blasting (1)
• Mine accidents (1)
• Mine ventilation (1)

Author

• Gardner, E. D. (1)
• Howell, S. P. (1)
• Munroe, Charles E. (1)

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