NPRNTeitlMath O SaflePerthynasNPRN33877TeitlGwaith Bron-Floyd Lead Mine; Bronllwyd; Glan-yr-Afon Mining SettlementMath O Saflen/aPerthynasAssociated withNPRN400974TeitlBronfloyd Lead Mine Ore Hoppers, PenrhyncochMath O Saflen/aPerthynasAssociated withNPRN400975TeitlBronfloyd Lead Mine Pumping and Crushing Wheel PitMath O Saflen/aPerthynasAssociated with
