NPRNTeitlMath O SaflePerthynasNPRN300666TeitlPenlan Fach Mine;Esgair Llethyr Mine, Ysbyty YstwythMath O Saflen/aPerthynasAssociated withNPRN33880TeitlLevel Fawr Adit Portal, Probert's Level Fawr Adit Portal, PontrhydygroesMath O Saflen/aPerthynasAssociated withNPRN33874TeitlGlogfawr Mine;Lisburne Lead & Silver MinesMath O Saflen/aPerthynasAssociated withNPRN33890TeitlLogaulas Lead Mine,Lisburne Mine;LogylasMath O Saflen/aPerthynasAssociated with
