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- Mining types and methods:
- Cut and fill stoping
- Document types:
- Reports of Investigations
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1/1/1992 - Reports of InvestigationsResearchers monitored rock mass response to mining of an experimental underhand longwall stope in Hecla Mining Company's Lucky Friday Mine, Mullan, Idaho. This is part 2 of 3.
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Content source: National Institute for Occupational Safety and Health, Mining Program