1979-82 B Smith + WJ Smith
1982-83 JL Badland
1983-86 Vale Mining Co
1986-87 Adare Mining Ltd
1988-1989 Glantref Colliery Ltd
The mine worked the Brithdir Seam
Publications (2)
- Booth, A.J.; Industrial Railway Society (1995); Small Mines of South Wales; pp. 50-53
- Cooke, R.A.; Lightmoor Press (2018); Gazeteer of Coal mines in South Wales and Monmouthshire
Rock Slope & Pit - 621m
Lower Varteg Colliery - 688m
Deakin’s Slope - 893m
Varteg Hill Mines - 924m
Cwmsychan Colliery - 1,022m
No.10 Slope - 1,032m
Hill Pits - 1,046m
Cumburgwm Colliery 2 - 1,120m
Golynos Colliery Pit & Level - 1,349m
Deakin’s Red Ash Level - 1,372m
Top Pits - 1,419m
Navigation Colliery - 1,659m
Powell’s Navigation Colliery - 1,672m
Cumburgwm Colliery level - 1,865m
Cwm Glo - 1,922m
Cwmburgwm Colliery - 1,937m
Abiathur Jones' Pit - 1,964m
Cumburgwm Colliery pit - 1,988m