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| #13,574 | |
| South Wales | |
| Blackrock | |
| 51.811107, -3.132734 | |
| SO 2201 1310 | |
| Open Access | |
| 364m | |
| 2 Images | |
Gretton's Adit - 1,172m- Graig Colliery - 1,936m
- Llammarch Colliery - 1,610m
- Rydw Farm Level - 1,870m
- Waun Afon Colliery - 1,848m
Waun Afon Slope - 1,891m
Blackrock Quarry - 898m- Penydarren Quarry - 627m
- Llanelly Quarry - 747m
- Gilwern Quarry (west) - 1,431m
- Gilwen Quarry (north) - 1,914m
- Daren Disgwylfa Quarry - 1,377m