Small.
Brynlloi
Coal Mine
Worked from c1880
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Amman Valley | |
| 51.799806, -3.928738 | |
| SN 6710 1300 | |
| Private Land | |
| 120m | |
| #2,220 |
Glantref - 282m- Nantcrenig Colliery - 282m
- Glanamman - 315m
- Pencraig Colliery - 499m
- Erw Colliery - 510m
- Glangrennig Colliery - 565m
- Coedamman Colliery - 705m
- Duffryn Amman Colliery - 726m
- Godrewain Colliery - 903m
- Graigddu No.2 - 905m
- Graigddu Colliery - 921m
- Gelliciedrim - 932m
- Raven Colliery - 941m
- Ystrad Colliery - 1,002m
- Glynmoch Colliery - 1,101m
- Trigloyn Colliery - 1,608m
- Twyn y Bryn Colliery - 1,638m
- Abernant Farm Colliery - 1,644m
- Blaen Grennig - 1,648m
- Bodyst Uchaf Colliery - 1,742m
- Grenig Colliery - 1,766m