NPRNTeitlMath O SaflePerthynasNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN85855TeitlMarble Hall, Quarry W ofMath O Saflen/aPerthynasAssociated withNPRN88077TeitlBlaenavon Industrial Landscape ProjectMath O Saflen/aPerthynasPart of
