Small level.
Erw Colliery
Coal Mine
Worked from 1936 to 1959
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Glanamman | |
| 51.79529, -3.929995 | |
| SN 6700 1250 | |
| Private Land | |
| 140m | |
| #2,439 |
Glangrennig Colliery - 315m- Nantcrenig Colliery - 316m
- Graigddu No.2 - 400m
- Pencraig Colliery - 411m
- Graigddu Colliery - 412m
- Glantref - 424m
- Brynlloi - 510m
- Glanamman - 632m
- Coedamman Colliery - 847m
- Duffryn Amman Colliery - 920m
- Glynmoch Colliery - 1,074m
- Godrewain Colliery - 1,074m
- Ystrad Colliery - 1,079m
- Blaen Grennig - 1,207m
- Gelliciedrim - 1,306m
- Raven Colliery - 1,343m
- Twyn y Bryn Colliery - 1,357m
- Bodyst Uchaf Colliery - 1,509m
- Grenig Colliery - 1,523m
- Royal Oak Colliery - 1,560m
- Trigloyn Colliery - 1,721m
- Abernant Farm Colliery - 1,822m