The effect of stemming on the efficiency of explosives /
by Walter O. Snelling and Clarence Hall.
Description
- Language(s)
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English
- Published
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Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1928
- Note
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"Publications on mine accidents and tests of explosives": p. 19-20.
At head of title: Department of the Interior. Bureau of Mines. Joseph A. Holmes, director.
- Physical Description
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20 p. :
illus. ;
23 cm.
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