NPRNTeitlMath O SaflePerthynasNPRN309191TeitlLlwyn Du, Bloomery Mounds & Reconstructed Ironworks in Coed-y-BreninMath O Saflen/aPerthynasAssociated withNPRN307248TeitlDolgain, Roman Tile Kiln;Llech Idris, Roman Tile KilnMath O Saflen/aPerthynasAssociated with
