Permissible explosives approved prior to June 30, 1927 / by G. St. J. Perrott and S.P. Howell.
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Main Author: | |
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Corporate Author: | |
Other title: | Permissible explosives. |
Format: | Government Document Book |
Language: | English |
Published: |
Washington :
U.S. G.P.O.,
1927.
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Series: | Report of investigations (United States. Bureau of Mines) ;
2818. |
Subjects: |