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- Mining types and methods:
- Extended cut mining
- Document types:
- Technology News
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5/1/1998 - Technology NewsThis Tech News reports on the evaluation of the air quantity reaching the face of a 40 foot box cut during a two-pass extended cut sequence.
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8/1/1994 - Technology NewsInformation was solicited from various organizations to determine the circumstances that cause power interruptions to extended cut continuous miners. The data accumulated permitted several conclusions to be drawn about why high-voltage circuit breakers ...
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Content source: National Institute for Occupational Safety and Health, Mining Program