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Explosives used in December, 1922
How to use permissible explosives properly
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Published Year
1920-1929 (1)
1930-1939 (1)
Subject
Explosives industry--United States (2) *
Accidents--Prevention--United States (1)
Explosives--Safety measures--United States (1)
Mine safety (1)
Author
Adams, W. W. (1)
Harrington, D. (1)
Howell, S. P. (1)
