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State regulations pertaining to the use of internal-combustion engines in coal and metal mines and in tunnels

Fatal and nonfatal electrical accidents in coal mines

Published Year

• 1930-1939 (2)

Subject

• Mine safety--United States (2) *
• Internal combustion engines--Safety measures (1)
• Mine accidents--United States (1)
• Tunnels--Safety measures (1)

Author

• Ilsley, L. C. (2) *
• Gleim, E. J. (1)

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