NPRNTeitlMath O SaflePerthynasNPRN91590TeitlBlaenavon World Heritage Site AreaMath O Saflen/aPerthynasPart ofNPRN91634TeitlPwll-Du Quarries: Balance ShaftMath O Saflen/aPerthynasConsists ofNPRN91636TeitlReservoir, Pwll-Du QuarryMath O Saflen/aPerthynasAssociated withNPRN91633TeitlWorks Shed (2), Pwll-Du QuarryMath O Saflen/aPerthynasConsists ofNPRN91632TeitlWorks Shed (1), Pwll Du QuarryMath O Saflen/aPerthynasConsists ofNPRN88077TeitlBlaenavon Industrial Landscape ProjectMath O Saflen/aPerthynasPart ofNPRN91635TeitlBoundary Tablet, Pwll-Du QuarryMath O Saflen/aPerthynasConsists of
