Active list of permissible explosives and blasting devices approved prior to June 30, 1929.
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
U.S. Dept. of Commerce, Bureau of MInes,
1929.
|
| Series: | Report of investigations (United States. Bureau of Mines) ;
2947. |
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Active list of permissible explosives and blasting devices approved prior to June 30, 1929.
Published 1929
Full Text (via ProQuest)
Government Document
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