NPRNTeitlMath O SaflePerthynasNPRN88031TeitlDowlais, Drainage SystemMath O Saflen/aPerthynasPart ofNPRN88005TeitlPenydarren Pond, SluiceMath O Saflen/aPerthynasAssociated withNPRN88004TeitlPenydarren Pond, DamMath O Saflen/aPerthynasConsists ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart of
