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- Mining types and methods:
- Underground mining
- Document types:
- Information Circulars
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Results 21 - 23 of 23
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1/1/1977 - Information CircularsThis Bureau of Mines report on underground mine communications addresses methods and equipment to meet the communication requirements of working sections and places of coal and metal-nonmetal mines. A review of the status of trapped miner detection is a...
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1/1/1977 - Information CircularsThis Bureau of Mines report summarizes the research, development, and evaluation demonstrations conducted by the Bureau of Mines under the Coal Mine Health and Safety Act of 1969 to improve the means of notifying miners underground, who are away from th...
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4/1/1948 - Information CircularsThe necessity for protection against the hazards of lightning manifests itself from time to time in the mining industry by reason of loss of life, damage to electrical equipment, fires in surface structures at mines, and accidents in the handling and us...
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Content source: National Institute for Occupational Safety and Health, Mining Program