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Blasting in New York City
Louviers Works for explosives manufacture in Louviers, Colorado
Locating loose rock after coal is blasted
Blasting for the Coliseum and Convention Hall in New York
Blasting for pipe line in the Susquehanna River near Marietta, Pennsylvania
John T. Dyer Company's trap rock quarry at Monocacy, Pennsylvania before the Nitramon blast
Blasting with dynamite
Potomac River Works near Martinsburg, West Virginia for manufacture of dynamite
Cleaning up after a blast with bulldozers
Ripple Rock explosion on Maud Island in Canada
Improve the Arteries of Trade! : DuPont Red Cross Dynamite
Transfer of dynamite to magazine area in small, narrow gauge freight cars
Ripple Rock in the Seymour Narrows being exploded
Jumbo, on which drills are mounted, is rolled up to working face of the tunnel
Repauno, New Jersey explosives plant
Making ammonium nitrate during manufacture of dynamite
Acid area at Repauno, New Jersey plant
Stream at New York State College of Agriculture Bridge
Dynamite manufacture at DuPont's dynamite plant near Martinsburg, West Virginia
Ripple Rock in the Seymour Narrows being exploded
Blasting for the West Virginia Turnpike
Mound City at Potomac River Works near Martinsburg, West Virginia for manufacture of dynamite
The Builder of the Nations - Dynamite
Safe handling of explosives at Repauno, New Jersey plant
Precision dynamite at the damming of the Saguenay River in Canada

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