Anthracite slant.
Duffryn Amman Colliery
Coal Mine
Worked from 1854 to 1921
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Pontamman | |
| 51.801437, -3.93896 | |
| SN 6640 1320 | |
| Private Land | |
| 90m | |
| #2,413 |
Coedamman Colliery - 100m- Ystrad Colliery - 315m
- Glanamman - 411m
- Glynmoch Colliery - 499m
- Nantcrenig Colliery - 639m
- Glangrennig Colliery - 670m
- Brynlloi - 726m
- Erw Colliery - 920m
- Abernant Farm Colliery - 929m
- Glantref - 982m
- Pencraig Colliery - 1,163m
- Graigddu Colliery - 1,207m
- Graigddu No.2 - 1,252m
- Bodyst Uchaf Colliery - 1,271m
- Raven Colliery - 1,525m
- Gelliciedrim - 1,550m
- Godrewain Colliery - 1,623m
- Royal Oak Colliery - 1,941m