NPRNTeitlMath O SaflePerthynasNPRN303601TeitlErglodd Roman Military Settlement;Erglodd Roman FortMath O Saflen/aPerthynasAssociated withNPRN417401TeitlLlangynfelin Lead Smelting Site; LlangynfelynMath O Saflen/aPerthynasAssociated withNPRN400848TeitlLlangynfelin Timber Trackway, Borth BogMath O Saflen/aPerthynasAssociated with
