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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
2 results returnedActive list of permissible explosives and blasting devices approved before December 31, 1951
Active list of permissible explosives and blasting devices approved before Jan. 1, 1965
Published Year
Subject
- Explosives--Law and legislation--United States (2) *
- Blasting--Equipment and supplies--Law and legislation--United States (1)
- Coal mines and mining--Explosives (1)
- Mining engineering--Equipment supplies--Law and legislation--United States (1)
Author
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