Type of mine that uses a horizontal opening in a hill or mountain

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asked Dec 18, 2018 216k views

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Sina Farhadi · Answer 1 · 2018-12-22T02:45:08+0000

Drift Mine
Type of mine that uses a horizontal opening in a hill or mountain. The removal of coal that is not close to Earth's surgace through a horizontal opening in the side of a hill or a mountain

Type of mine that uses a horizontal opening in a hill or mountain

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