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Production of explosives in the United States during the calendar year 1919 :with notes on coal-mine accidents due to explosives and list of permissible explosives tested to May 31, 1920

Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922

Permissible explosives, mining equipment and apparatus approved prior to January 1, 1923

Permissible explosives, mining equipment, and apparatus approved prior to January 1, 1925

Published Year

• 1920-1929 (4) *

Subject

• Coal mines and mining--Safety measures (4) *
• Explosives (4) *
• Mine accidents (1)

Author

• Adams, W. W. (1)
• Crawshaw, John Edwards, (1)
• Fieldner, A. C. (1)
• Fieldner, A.C. (1)
• Fieldner, Arno Carl, (1)
• Howell, S. P. (1)
• Howell, Spencer P. (1)
• Ilsley, L. C. (1)
• Ilsley, L.C. (1)
• Ilsley, Lee C. (1)
• Parker, D. J. (1)
• Parker, D.J. (1)
• Parker, Dorsey J. (1)
• Perrott, G. St. J. (1)

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