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8 results returnedAccidents to children from blasting caps
Blasting hazards in strip mines adjacent to underground workings
Diamond drilling of blast holes lake Superior district iron-ore mines,
Diamond drilling blast holes, Balmat Mine, St. Lawrence County, N.Y.
Diamond-drilling blast holes, Bellefonte Mine, National Gypsum Co., Centre County, Pa.
Diamond-drilling blast holes, Eastern Magnetite Mine C
Safeguarding underground workmen from noxious gases resulting from blasting in strip mines
Published Year
Subject
- Blasting (8) *
- Boring machinery (3)
- Rock-drills (3)
- Coal mines and mining--Safety measures (2)
- Diamond bits (2)
- Carbon monoxide (1)
- Children's accidents (1)
- Detonators (1)
- Explosives (1)
- Gases, Asphyxiating and poisonous (1)
- Iron mines and mining (1)
- Magnetite mines and mining--Equipment and supplies (1)
- Mines and mineral resources--Accidents (1)
- Mines and mineral resources--Pennsylvania--Centre--Equipment and supplies (1)
- Zinc mines and mining--New York (State)--Saint Lawrence County--Equipment and supplies (1)
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