NPRNTeitlMath O SaflePerthynasNPRN85093TeitlWhite Rock Tunnel, Smith's Canal, SwanseaMath O Saflen/aPerthynasAssociated withNPRN34893TeitlWhite Rock Copper Works TramwayMath O Saflen/aPerthynasAssociated withNPRN85094TeitlKiln, White Rock Copper WorksMath O Saflen/aPerthynasConsists of
