Transactions of the Royal Geological Society of Cornwall, Vol 2, p383 - 403
| On the Tin-Ore of Botallack & Levant, H S Boase, [Read October, 1822], II: 383-403, 1822. |
| On the Tin-Ore of Botallack & Levant, H S Boase, [Read October, 1822], II: 383-403, 1822. |