1975-76 Graig-y-Fforest colliery co
1976-86 Pinetrees (Coal mining co)
1986-90 Pinetrees (Subsidy of Amercoeur Energy ltd)
1991-95 Ryan mining
1995-98 Ward Brothers mining
The mine worked the Red Seam
External Links
Publications (2)
- Booth, A.J.; Industrial Railway Society (1995); Small Mines of South Wales; pp. 54-55
- Cooke, R.A.; Lightmoor Press (2018); Gazeteer of Coal mines in South Wales and Monmouthshire
