NPRNTeitlMath O SaflePerthynasNPRN85616TeitlDowlais Iron Co Rly.Math O Saflen/aPerthynasConsists ofNPRN85506TeitlDowlais Iron Company Railway (Part)Math O Saflen/aPerthynasConsists ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85501TeitlBrecon & Merthyr RailwayMath O Saflen/aPerthynasAssociated with
