NPRNTeitlMath O SaflePerthynasNPRN420832TeitlFfestiniog Slate CompanyMath O Saflen/aPerthynasPart ofNPRN418935TeitlOakeley Quarry HospitalMath O Saflen/aPerthynasConsists ofNPRN418936TeitlOakeley Quarry Managers HouseMath O Saflen/aPerthynasConsists of
