NPRNTeitlMath O SaflePerthynasNPRN85549TeitlPant-y-Waun Mineral RailwayMath O Saflen/aPerthynasAssociated withNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85507TeitlDowlais Iron Company Railway (Part)Math O Saflen/aPerthynasAssociated with
