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Earth vibrations caused by mine blasting :progress report 2

Some observations on coal-mine fans and coal-mine ventilation

Published Year

• 1930-1939 (2) *

Subject

• Mine explosions (2) *
• Mine safety--United States (2) *
• Blasting (1)
• Blasting--Environmental aspects (1)
• Blasting--Safety measures (1)
• Fans (Machinery) (1)
• Mine safety (1)
• Mine ventilation (1)
• Mines and mineral resources (1)
• Mines and mineral resources--United States--Safety measures (1)

Author

• Denny, E. H. (1)
• Harrington, D. (1)
• Thoenen, J. R. (1)
• Windes, S. L. (1)

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