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Safety practices in shaft sinking and tunneling :West Delaware aqueduct

Tunneling: Recommended Safety Rules

Published Year

• 1960-1969 (2) *

Subject

• Shaft sinking (1)
• Tunneling (1)

Author

• Moore, James A. (1)
• Rachunis, William. (1)
• Sinicrope, Arthur A. (1)

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