| Alt Ref No | PFA/15/231 |
| Title | Correspondence Relating to the Penrhyn Quarry and the Wages of the Quarrymen |
| Description | This includes correspondence concerning royalty of carriage and commission of sale at the quarry, raise in wages and the prices paid to quarrymen. |
| Date | 09 August 1865- 17 August 1865 |
| Extent | 7 letters |