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Explosions in Pennsylvania coal mines, 1870-1932

Bureau of Mines apparatus for demonstrating electrical ignition of mine gas

Published Year

• 1930-1939 (2) *

Subject

• Mine gases (2) *
• Coal mine accidents--Pennsylvania (1)
• Coal mines and mining--Pennsylvania (1)
• Mine explosions--Pennsylvania (1)
• Mine rescue work (1)
• Mine safety (1)

Author

• Forbes, John Joseph Vincent, (1)
• Gleim, E. J. (1)
• Humphrey, H. B. (1)

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