An Account of the Produce of the Copper Mines of Cornwall in ore copper & money in the years ending 30th June 1818-1822

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Transactions of the Royal Geological Society of Cornwall, Vol 2, p428 - 437

An Account of the Produce of the Copper Mines of Cornwall in ore, copper, & money in the years ending 30th June 1818-1822, II: 428-437, 1822.

RGSC