Anthracite slant.
Diamond Colliery
Coal Mine
Worked from 1913 to 1947
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Ystradgynlais | |
| 51.771056, -3.755033 | |
| SN 7900 0950 | |
| Private Land | |
| 100m | |
| #2,404 |
Brynderi Colliery - 485m- Gurnos Colliery - 513m
- Ystradgynlais Colliery - 720m
- Bryn Varteg Colliery - 948m
- Bryngroes Colliery - 1,076m
- Pantmawr Colliery - 1,104m
- Yniscedwyn - 1,441m
- Hendreladais Colliery - 1,698m
- Daren - 1,844m
- Tirbach - 1,874m