Seams Worked - Tillery, Red Ash
1888 South Wales Colliery co. ltd
1889-1902 Cwmtillery Red Ash Colliery Co Ltd
1912-1946 Lancasters Steam Colliery Ltd
1947-1948 National coal board
Closure in 1949
Publications (1)
- Cooke, R.A.; Lightmoor Press (2018); Gazeteer of Coal mines in South Wales and Monmouthshire
Cwmtillery - 585m
Coed Cae Tillery - 1,232m
Major Red Ash Colliery - 1,352m
Abertillery New Mine - 1,359m
Henwaun Pit - 1,397m
Blaina Red Ash (East) - 1,478m
Rose Heyworth - 1,498m
Glynmawr Level - 1,521m
Griffin No 2/3 Colliery - 1,616m
Penybont Colliery - 1,668m
Tillery Colliery - 1,681m