Slant
Onllwyn, Trigloyn
Coal Mine
Worked from 1935 to 1950
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Banwen | |
| 51.76977, -3.657877 | |
| SN 8570 0920 | |
| Private Land | |
| 255m | |
| #2,764 |
Elwyn - 1,250m- Rhas - 1,368m
- Graig-Y-Forest - 1,508m
Onllwyn Quarry - 1,623m- Nanthir - 1,787m