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Raise (mining)
From Wikipedia, the free encyclopedia
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In underground mining, a raise refers to a vertical or inclined shaft excavation that leads from one level, or drift, to another. A raise may also extend to surface. There are four excavation methods for raises:
- Conventional or open raise
- Long-hole or drop raise
- Alimak
- Raise boring[1]

Raises serve a number of purposes including:
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