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Experiments in Underground Communication Through Earth Strata

Safety Cars of the United States Bureau of Mines

Sampling Mine Gases and Use of the Bureau of Mines Portable Orsat Apparatus in Their Analysis

Procedure in Sealing and Unsealing Mine Fires and in Recovery Operations Following Mine Explosions

Published Year

• 1920-1929 (1)
• 1930-1939 (3)

Subject

• Mine rescue work. (4) *
• Coal mines and mining. (1)
• Mine explosions. (1)
• Mine fires. (1)
• Mine gases. (1)
• Mine safety -- Equipment and supplies. (1)
• Signals and signaling. (1)

Author

• Forbes, J. J. (1)
• Forbes, John J. V. (John Joseph Vincent), 1885-1975. (1)
• Freeman, H. B. (1)
• Ilsley, L. C. (1)
• Yant, W. P. (1)

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