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Unwatering flooded coal mines in Washington

Water problem in the Pennsylvania anthracite mining region

Published Year

• 1930-1939 (1)
• 1940-1949 (1)

Subject

• Mine drainage (2) *
• Anthracite coal--Pennsylvania (1)
• Coal mines and mining--Pennsylvania (1)
• Coal mines and mining--Washington (State) (1)

Author

• Ash, S. H. (2) *
• Murphy, Thomas, (1)

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