Wheal Sisters (Trewornan Mine; Dinham Mine), Trewornan, St Minver, Wadebridge District, Cornwall, England, UK
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Around 1850, during its last period of working, the mine sold 33 tons of copper ore.
7 entries listed. 6 valid minerals.
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Dines, H.G. (1994): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, reprint, p. xvi.