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Mine timber preservation

Timbering along the robbing line :factors influencing falls of roof in coal mines

Stop, look and listen! :the roof is going to fall

State laws relating to coal-mine timbering

Published Year

• 1920-1929 (4) *

Subject

• Mine timbering (4) *
• Coal mines and mining--Safety measures (2)
• Coal mines and mining (1)
• Mine timbering--Testing (1)
• Mine timbering--United States (1)
• Mining engineering (1)
• Mining law (1)
• Wood preservatives (1)
• Wood--Preservation (1)

Author

• Paul, J. W. (3)
• Geyer, John Nicholas, (1)
• Hornor, R. R. (1)
• Hunt, George M. (1)

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