| Rhif Cyf Amg | PFA/14/1156 |
| Teitl | Document entitled ‘The Hon. Col. Douglas Pennant Mining Leases’ |
| Disgrifiad | This includes a document with a summary of the mining leases of The Honble Col. Douglas Pennant to Henry William Hewlett in the co. of Caernarfon |
| Dyddiad | 24 February 1850- 01 July 1850 |
| Extent | 1 envelope |