Sough
A sough is an underground channel for draining water out of a mine. Its ability to drain a mine depends on the bottom of the mine being higher than a neighbouring valley. If the mine sump is lower, water must be pumped up to the sough.
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Sough
A sough is an underground channel for draining water out of a mine. Its ability to drain a mine depends on the bottom of the mine being higher than a neighbouring valley. If the mine sump is lower, water must be pumped up to the sough.
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A sough is an underground chan ...... ust be pumped up to the sough.
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A sough is an underground chan ...... ust be pumped up to the sough.
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Sough
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