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A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa.

Some suggestions on the prevention of electrical accidents in coal mines

Studies of roof movement in coal mines.

Published Year

• 1930-1939 (3) *

Subject

• Accidents--Prevention--United States (1)
• Coal mine accidents--United States (1)
• Coal mines and mining (1)
• Coal mines and mining--Pennsylvania--Safety measures (1)
• Electricity in mining--United States (1)
• Mine roof control (1)
• Mine safety (1)
• Mine ventilation (1)

Author

• Maize, Earl R. (3) *
• Currie, Robert Dewey, (1)
• Greenwald, H. P. (1)
• Harrington, Daniel. (1)
• Owings, C. W. (1)

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