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- Mine locations, excavations, and structures:
- Underground
- or
- Tunnels
- or
- Crosscuts
- or
- Pillars
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- Yield pillars
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- Barrier pillars
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- Chain pillars
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- Web pillars
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- Returns
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- Escapeways
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- Gobs
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- Airways
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- Bulkheads
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- Intersections
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- Longwall panels
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- Headgates
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- Recovery rooms
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- Tailgates
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- Entries
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- Bleeder entries
- or
- Intake entries
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- Panel entries
- or
- Belt entries
- or
- Drifts
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- Ore passes
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- Ore chutes
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Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program