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Core Drilling at Shaft Sites of Proposed Mine-Water Drainage Tunnel: Anthracite Region of Pennsylvania

Published Year

• 1950-1959 (1) *

Author

• Ash, S. H. (Simon Harry), b. 1889 (1)
• Doherty, R. Emmet (1)
• Miller, P. S. (1)
• Romischer, W. M. (1) *

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