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Botallack Tin Mine, Cornwall #161002070
Description
A former mine in Botallack in the west of Cornwall, England, this was a submarine mine, with tunnels extending under the sea, in places for half a mile. Over its recorded lifetime, the mine produced around 14,500 tonnes of tin, 20,000 tonnes of copper and 1,500 tonnes of arsenic. The 1970s BBC television series Poldark was filmed partly in Botallack.