Browse TRAIL Inventories

Magazines and thaw houses for explosives

Investigations of fuse and miners' squibs

Permissible explosives :tested prior to January 1, 1917

Methods for routine work in the Explosives physical laboratory of the Bureau of mines

Sensitiveness of explosives to frictional impact

Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922

Progress of investigations on liquid-oxygen explosives

Blasting to lessen bowlders in hard-ore stopes

Preventing accidents by the proper use of permissible explosives


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