Transactions of the Royal Geological Society of Cornwall, Vol.3 p1 - 16
| On the Changes which appear to have taken place in the primitive form of the Cornish Peninsula, John Hawkins, III: 1-16, 1828. |
| On the Changes which appear to have taken place in the primitive form of the Cornish Peninsula, John Hawkins, III: 1-16, 1828. |