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Single-entry development for longwall mining :research approach and results at Sunnyside No. 2 mine, Carbon County, Utah

Published Year

• 1970-1979 (1)

Subject

• Coal mines and mining (1) *
• Tunneling (1)

Author

• Phillips, Earl L., (1)
• Poad, Melvin E. (1) *
• Waddell, Galen G. (1)

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