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Some studies on emergency mine communications

Acid mine water in the anthracite region of Pennsylvania

Applicability of Radio to Emergency Mine Communications: Progress Report, September 1946 to November 1947

Published Year

• 1940-1949 (3) *

Subject

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

Author

• Felegy, E. W. (3) *
• Coggeshall, E. J. (1)
• Harrison, L. H. (1)
• Johnson, Leland H. (1)
• Westfield, James. (1)

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