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- Mining types and methods:
- Highwall mining
- Document types:
- Reports of Investigations
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1/1/1993 - Reports of InvestigationsThe U.S. Bureau of Mines investigated a method of using inert gas to prevent the formation of explosive gas mixtures in auger highwall mining of coal. A combination of gasoline and diesel engine exhaust gases was introduced into the auger drill hole us...
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1/1/1992 - Reports of InvestigationsThe U.S. Bureau of Mines developed and tested a teleoperating system to control a new highwall mining system. Surface and production testing proved that the teleoperating system supplied the operator with sufficient sensory information to operate the m...
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Content source: National Institute for Occupational Safety and Health, Mining Program