NPRNTeitlMath O SaflePerthynasNPRN88031TeitlDowlais, Drainage SystemMath O Saflen/aPerthynasPart ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85565TeitlDowlais Free Drainage System, LeatMath O Saflen/aPerthynasAssociated with
