Pit bottom at Celynen North Colliery
Overman at Celynen North Colliery
Celynen North Colliery pumping station
Chain hauled shearer at Celynen North Colliery
Underground bunker at Celynen North Colliery
Timber underground at Blaengwrach Colliery
Overman at Blaengwrach Colliery
Blaengwrach Colliery yard
Methane boring drill at Blaengwrach Colliery
Locomotive underground at Penallta Colliery
Underground roadway at Penallta Colliery
View of Abercynon Colliery
Underground bunker at Abercynon Colliery
Underground roadway at Abercynon Colliery
Miner and plough at Lady Windsor Colliery
Plough at Lady Windsor Colliery
Haulage machinery at Lady Windsor Colliery
Pit bottom at Lady Windsor Colliery
Miner at Lady Windsor Colliery
Eimco bucket loader at Lady Windsor Colliery
Haulage engine at Lady Windsor Colliery
Lady Windsor Colliery yard
Steam locomotive at Lady Windsor Colliery