Graig Ddu Level
Coal Mine
Worked from c1884 to 1959
Jan 1st, 2024 from WCM by Buddle-Bot
| South Wales | |
| Abersychan | |
| 51.712624, -3.08404 | |
| SO 2520 0210 | |
| Private Land | |
| 230m | |
| #2,547 |
Llanerch - 262m- Cwmnantddu Colliery - 360m
- Glynnantddu Colliery - 537m
- Greenland Colliery - 726m
- Blaenserchan - 770m
Viaduct Level - 1,115m- Cumburgwm Colliery pit - 1,200m
- Eastern Valley Black Vein - 1,218m
- Cwmburgwm Colliery - 1,219m
- Gwenallt - 1,228m
- Plascoed Colliery - 1,252m
- Cwmffrwdoer Colliery - 1,271m
- Cumburgwm Colliery level - 1,303m
- Abiathur Jones' Pit - 1,315m
- Pentwyn Colliery Slope - 1,386m
- Pantygasseg New - 1,499m
- Pentwyn Colliery Level - 1,562m
- Navigation Colliery - 1,723m
- Powell’s Navigation Colliery - 1,794m
- Black Barn - 1,798m