NPRNTeitlMath O SaflePerthynasNPRN33620TeitlCwm Rheidol Lead Mine: AqueductMath O Saflen/aPerthynasConsists ofNPRN33909TeitlYstumtuen Lead Mine, YstumtuenMath O Saflen/aPerthynasAssociated withNPRN91748TeitlTynyfron Mine, CwmrheidolMath O Saflen/aPerthynasAssociated withNPRN33821TeitlGwaith Newydd Ystum TuenMath O Saflen/aPerthynasAssociated withNPRN33895TeitlPenrhiw Lead and Zinc MineMath O Saflen/aPerthynasAssociated withNPRN33619TeitlCwm Rheidol Lead Mine: TurbineMath O Saflen/aPerthynasConsists of
