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Studies of roof movement in coal mines.

Suspension roof support.

Published Year

• 1940-1949 (2)

Subject

• Mine roof control (2) *
• Coal mines and mining (1)
• Mine roof bolting (1)

Author

• Thomas, Edward. (2) *
• Barry, A. J. (1)
• Greenwald, H. P. (1)
• Maize, Earl R. (1)
• Metcalfe, Arthur. (1)

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