Transactions of the Royal Geological Society of Cornwall, Vol.3 p35 - 85
| On the Period of the Commencement of Copper Mining in Cornwall; and On the Improvements which have been made in Mining, Joseph Carne, [Read October, 1824], III: 35-85, 1828. |
| On the Period of the Commencement of Copper Mining in Cornwall; and On the Improvements which have been made in Mining, Joseph Carne, [Read October, 1824], III: 35-85, 1828. |