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Experience with electrical and other means of firing shots of explosives in the anthracite region of Pennsylvania

Preventing accidents by the proper use of permissible explosives

Published Year

• 1930-1939 (2) *

Subject

• Explosives (2) *
• Mine accidents (1)
• Mine safety (1)

Author

• Howell, S. P. (2) *
• Harrington, D. (1)

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