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 Rock Slope & Pit - 621m
 Lower Varteg Colliery - 688m Lower Varteg Colliery - 688m
 Deakin’s Slope - 893m Deakin’s Slope - 893m
 Varteg Hill Mines - 924m Varteg Hill Mines - 924m
 Cwmsychan Colliery - 1,022m Cwmsychan Colliery - 1,022m
 No.10 Slope - 1,032m No.10 Slope - 1,032m
 Hill Pits - 1,046m Hill Pits - 1,046m
 Cumburgwm Colliery 2 - 1,120m Cumburgwm Colliery 2 - 1,120m
 Golynos Colliery Pit & Level - 1,349m Golynos Colliery Pit & Level - 1,349m
 Deakin’s Red Ash Level - 1,372m Deakin’s Red Ash Level - 1,372m
 Top Pits - 1,419m Top Pits - 1,419m
 Navigation Colliery - 1,659m Navigation Colliery - 1,659m
 Powell’s Navigation Colliery - 1,672m Powell’s Navigation Colliery - 1,672m
 Cumburgwm Colliery level - 1,865m Cumburgwm Colliery level - 1,865m
 Cwm Glo - 1,922m Cwm Glo - 1,922m
 Cwmburgwm Colliery - 1,937m Cwmburgwm Colliery - 1,937m
 Abiathur Jones' Pit - 1,964m Abiathur Jones' Pit - 1,964m
 British Colliery - 1,980m British Colliery - 1,980m
 Cumburgwm Colliery pit - 1,988m Cumburgwm Colliery pit - 1,988m