NPRNTeitlMath O SaflePerthynasNPRN275692TeitlAnnell Aqueduct (Lower Section)Math O Saflen/aPerthynasAssociated withNPRN95141TeitlOgofau Goldmines, Pre-19Th Century WorkingsMath O Saflen/aPerthynasAssociated withNPRN303911TeitlAnnell-Gwenlais Leat SystemMath O Saflen/aPerthynasPart of
