Tiny underground working.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Hafod Gwyrd
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Penmachno | |
| 53.000728, -3.8358037 | |
| SH 7690 4640 | |
| Open Access | |
| 395m | |
| #1,374 |
