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Some studies on emergency mine communications

Acid mine water in the anthracite region of Pennsylvania

Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania

Published Year

• 1940-1949 (2)
• 1950-1959 (1)

Subject

• Acid mine drainage--Pennsylvania (1)
• Anthracite coal--Pennsylvania (1)
• Mine communication systems (1)
• Mine drainage. (1)
• Mine safety--Equipment and supplies (1)
• Radio in mining (1)
• Water -- Composition. (1)
• Water -- Pollution. (1)

Author

• Felegy, E. W. (3) *
• Ash, S. H. (Simon Harry), b. 1889 (1)
• Coggeshall, E. J. (1)
• Harrison, L. H. (1)
• Johnson, Leland H. (1)
• Kennedy, D. O. (1)
• Westfield, James. (1)

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