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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

Published Year

• 1920-1929 (1)

Subject

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

Author

• Adams, W. W. (1) *

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