NPRNTeitlMath O SaflePerthynasNPRN285517TeitlBryniau Rhyddion, ReservoirMath O Saflen/aPerthynasConsists ofNPRN285516TeitlBryniau Rhyddion, Gravel PitMath O Saflen/aPerthynasConsists ofNPRN285515TeitlBryniau Rhyddion, DamMath O Saflen/aPerthynasConsists ofNPRN285827TeitlCamdwr Bach Lead Mine, LeatMath O Saflen/aPerthynasConsists ofNPRN285699TeitlCamdwr Bach Lead Mine, TramwayMath O Saflen/aPerthynasConsists of
