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Stemming in metal mines.
Stemming in metal mines.
Stemming in metal mines :progress report 6 : relative advantages and disadvantages of different types of stemming and no stemming when used with 40 percent ammonia gelatin dynamite at the Mount Weather testing adit
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Published Year
1940-1949 (3)
Subject
Blasting (3)
Mine safety (3) *
Author
Agnew, Wing G. (3)
Johnson, John A. (3) *
Mosier, McHenry. (2)