Investigations into coal dust bombs were conducted by the Bureau of Mines at their Experimental Mine in Bruceton, Pennsylvania. The photograph, taken on November 14, 1918, showcases the experiments involving coal dust bombs, dust clouds, and explosions caused by coal dust placed in the bombs. George S. Rice, the Chief Mining Engineer, led these investigations.

---

Size: 8448px × 5862px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 1, activities, advancements, ammunition, assessment, bomb, bombs, bruceton, bureau, chief, clouds, coal, coal-dust, destructive, detonation, development, devices, dust, engineer, environmental, experimental, experiments, explosion, explosions, explosive, explosives, facility, george, hazardous, hazards, ignitions, industry, innovations, investigations, laboratory, materials, measures, military, mines, mining, pennsylvania, prevention, regulations, research, rice, risk, safeguards, safety, studies, technology, testing, underground, war, wartime, weaponry, world