NPRNTeitlMath O SaflePerthynasNPRN91560TeitlHay RailwayMath O Saflen/aPerthynasPart ofNPRN85860TeitlHill's TramroadMath O Saflen/aPerthynasPart ofNPRN85831TeitlHill's Tramroad: Pwll Du Tunnel South PortalMath O Saflen/aPerthynasAssociated withNPRN88077TeitlBlaenavon Industrial Landscape ProjectMath O Saflen/aPerthynasPart of
