Two 20’ deep crosscuts linked by 100’ level below Welsh Highland Railway.
Publications (4)
- (2004); Ogofa GCPC Journal No 6,; 11 pages
- (2004); Ogofa GCPC Journal No 6,; 11 pages
- Bick, D.E. (2003); Old Copper Mines of Snowdonia, The; p. 62.
- NMRS; Newsletter Nov/1979; p.9.


