NPRNTeitlMath O SaflePerthynasNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85507TeitlDowlais Iron Company Railway (Part)Math O Saflen/aPerthynasAssociated withNPRN85510TeitlTunnel Pits, TunnelMath O Saflen/aPerthynasConsists ofNPRN85563TeitlFochrhiw JunctionMath O Saflen/aPerthynasConsists of
