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straight copper mining

Aeris Resources

Aeris Resources is an established mining and exploration company listed on the The Tritton Copper Operations include multiple mines and a 1 8 million tonne

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Ancient Egypt: Mining

Ancient Egyptian mining: copper, gold, silver, iron, precious stones, salt, natron, The galleries which they dig are not straight, but run in the direction of the

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Adit - Wikipedia

An adit from Latin aditus, entrance is an entrance to an underground mine which is horizontal adit may follow the lode or vein until it is worked out, in which case the adit is rarely straight Adits were in use in Cornwall well before 1500 and were particularly important to the tin and copper mines in Cornwall and Devon

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