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Search U.S. government technical reports digitized or harvested by TRAIL.
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6 results returnedPermissible explosives tested prior to January 1, 1911 and precautions to be taken in their use
Investigations of fuse and miners' squibs
Permissible explosives tested prior to January 1, 1912 and precautions to be taken in their use
The use and misuse of explosives in coal mining
The prevention of accidents from explosives in metal mining
Explosive shattering of minerals as a substitute for crushing preparatory to ore dressing
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