NPRNTeitlMath O SaflePerthynasNPRN85996TeitlDowlais Free Drainage System, AqueductMath O Saflen/aPerthynasConsists ofNPRN88031TeitlDowlais, Drainage SystemMath O Saflen/aPerthynasPart ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart of
