CaMoA has Glasfryn Mine SH 4210 9430 at similar location.
Publications (3)
- MJ 1863 Mar 14, passing ref. to sea level adit
- Oldham, Tony (1992); Caves and Mines of Anglesey; 75 pages
- Oldham, Tony (1992); Caves and Mines of Anglesey; 75 pages
| North Wales | |
| Bull Bay | |
| 53.4214973, -4.3754611 | |
| SH 4225 9426 | |
| Private Land | |
| 30m | |
| #153 |
Mona Consols - 623m- Mynydd Pant y Gaseg - 1,071m
Porth Wen Bay Mine? - 1,470m