NPRNTeitlMath O SaflePerthynasNPRN409279TeitlIncline at Moelwyn Mawr Slate QuarryMath O Saflen/aPerthynasConsists ofNPRN409286TeitlMoelwyn Slate Quarry Exit TramwayMath O Saflen/aPerthynasConsists ofNPRN306315TeitlFfestiniog Pumped Storage Scheme: Llyn Stwlan ReservoirMath O Saflen/aPerthynasSubsequent UseNPRN409278TeitlMoelwyn Bach Slate QuarryMath O Saflen/aPerthynasConsists ofNPRN34660TeitlFfestiniog RailwayMath O Saflen/aPerthynasAssociated with
