A film on uses of dynamite in the United States. The preparation of a shot with permissibles in a Pennsylvania coal mine. A miner working inside the mine. A good grade of lump coal is brought down.
A film on uses of dynamite in the United States. Open pits on iron ranges of Minnesota. Large quantities of iron ore is mined with the help of dynamite. Men working in the area. A locomotive on a railroad track.
A film on use of dynamite in the United States. Stone for railroad ballast, buildings and highway operations is quarried by explosives. Smoke from explosions. Men working and drilling holes behind the quarry face. Men cutting large cartridges to facilitate loading activities. Smoke rising due to explosions of dynamites.
A film on use of dynamite in the United States. A railroad cut-off is constructed by exploding the area with dynamite. Heavy columns of smoke rise from explosions. A man standing on the cut-off.
A film on use of dynamite in the United States. The construction of the Moffat Tunnel in Colorado. The tunnel is constructed with the help of gelatin dynamite. Men working and drilling the heading.
A film on uses of dynamite in the United States. Use of explosives for advancement of agriculture. An area is cleared for agriculture by exploding it with dynamite. Smoke rises from the explosion. Men watch the explosion. A ditch is dug with the help of dynamite. An old church building is exploded with dynamite to make a new building. Smoke rises from the explosions. Ice jams are broken by exploding.