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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
4 results returnedActive list of permissible explosives and blasting devices approved prior to June 30, 1940
Active list of permissible explosives and blasting devices approved prior to June 30, 1941
Active list of permissible explosives and blasting devices approved prior to June 30, 1942
Active list of permissible explosives and blasting devices approved before December 31, 1951
Published Year
Subject
- Blasting--Equipment and supplies--Law and legislation--United States (4)
- Explosives--Law and legislation--United States (4) *
- Mining engineering--Equipment supplies--Law and legislation--United States (4) *
Author
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