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Blasting to lessen bowlders in hard-ore stopes

Accidents due to explosives in metal mines of the Southwest, as shown by records in Arizona

Safety organizations in Arizona copper mines

Published Year

• 1920-1929 (3)

Subject

• Blasting (2)
• Cooper mine accidents--Prevention (1)
• Copper mines and mining--Arizona (1)
• Explosives (1)
• Mine accidents (1)

Author

• Gardner, E. D. (3) *
• Howell, S. P. (1)
• Parker, Dorsey J., (1)

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