NPRNTeitlMath O SaflePerthynasNPRN85612TeitlBrecon & Merthyr Rly., BridgeMath O Saflen/aPerthynasConsists ofNPRN85602TeitlBrecon & Merthyr RailwayMath O Saflen/aPerthynasConsists ofNPRN85613TeitlBrecon & Merthyr Rly.Math O Saflen/aPerthynasConsists ofNPRN85611TeitlBrecon & Merthyr RailwayMath O Saflen/aPerthynasConsists ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85543TeitlPantywaun Signal BoxMath O Saflen/aPerthynasConsists of
