NPRNTeitlMath O SaflePerthynasNPRN85592TeitlRhaslas Pond, Valve HouseMath O Saflen/aPerthynasConsists ofNPRN85594TeitlRhaslas Pond, Straining TowerMath O Saflen/aPerthynasConsists ofNPRN88031TeitlDowlais, Drainage SystemMath O Saflen/aPerthynasPart ofNPRN88012TeitlEast Merthyr Landscape Project;East Merthyr, OpencastMath O Saflen/aPerthynasPart ofNPRN85571TeitlRhaslas Pond, Dam (South)Math O Saflen/aPerthynasConsists ofNPRN85596TeitlRhaslas Pond, Dam (North)Math O Saflen/aPerthynasConsists ofNPRN85593TeitlRhaslas Pond, Filter HouseMath O Saflen/aPerthynasConsists of
