Search U.S. government technical reports digitized or harvested by TRAIL.
Magazines and thaw houses for explosives
Investigations of fuse and miners' squibs
Investigations of Explosives Used in Coal 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
Prevention of accidents with explosives in the tri-state zinc and lead ore producing district
Preventing accidents by the proper use of permissible explosives