NPRNTeitlMath O SaflePerthynasNPRN25714TeitlYard House and Manager's Office, Lefel Fawr CollieryMath O Saflen/aPerthynasConsists ofNPRN34641TeitlPont-yr-Yard Bridge, Lefel Fawr Colliery Tramroad, Swansea CanalMath O Saflen/aPerthynasConsists ofNPRN33372TeitlLevel Fawr Colliery Entrance, YstradgynlaisMath O Saflen/aPerthynasConsists of