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Explosions in Pennsylvania coal mines, 1870-1932

Published Year

• 1930-1939 (1)

Subject

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

Author

• Forbes, John Joseph Vincent, (1)
• Humphrey, H. B. (1) *

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