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Hazards of the trolley-locomotive haulage system in coal mines

Some observations on coal-mine haulage hazards

Published Year

• 1940-1949 (2) *

Subject

• Coal mines and mining--Safety measures (2)
• Mine haulage--Safety measures (2) *
• Mine railroads--Safety measures (1)

Author

• Harrington, D. (1)
• Sanford, H. E. (1)
• Warncke, R. G. (1)

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