Andrew Barclay haulage engine at Morlais Colliery
Lancashire boilers at Morlais Colliery
Surface view of Morlais Colliery
Morlais Colliery surface buildings
Morlais Colliery buildings
Morlais Colliery yard
Mountain Ash locomotive shed
Sir John at Mountain Ash locomotive shed
Locomotive passing through Deep Duffryn Colliery
Surface view of Deep Duffryn Colliery
Haulage engine at Deep Duffryn Colliery
Sirocco fan at Deep Duffryn Colliery
Pit bottom at Deep Duffryn Colliery
Saw mill at Deep Duffryn Colliery
Winding house and yard at Deep Duffryn Colliery