Open quarry worked at several levels underground.**
Publications (2)
- (1990); WMS Newsletter Issue 23 Dec; 8 pages
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Jan 1st, 2024 from GWSI by Buddle-Bot![]()
| North Wales | |
| Dolgellau | |
| 52.715955, -3.9192438 | |
| SH 7046 1487 | |
| Open Access | |
| 285m | |
| #1,612 |
Open quarry worked at several levels underground.**
Tan y Gader - 1,818m
Bryn Rhug - 1,909m