Drift
External Links
Publications (1)
- (1988); WMS Newsletter Issue 18 May; 12 pages
Onllwyn, No.3
Coal Mine
Worked from 1918 to 1962
Jan 1st, 2024 from NMRS by Buddle-Bot
Sep 3rd, 2024 by Alex
| South Wales | |
| Onllwyn | |
| 51.7765045, -3.6900139 | |
| SN 8350 1000 | |
| Private Land | |
| 250m | |
| #2,763 |
Onllwyn, No.1 - 360m- Drym Colliery - 381m
Onllwyn Quarry - 1,104m- Rhas - 1,396m
- Seven Sisters - 1,661m
- Elwyn - 1,778m
- Nanthir - 1,854m