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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRNTeitlMath O SaflePerthynasNPRN33467TeitlCwm Pit Colliery, AbercanaidMath O Saflen/aPerthynasAssociated withNPRN91551TeitlUpper Wern Bridge, Cyfarthfa Canal, Merthyr TydfilMath O Saflen/aPerthynasAssociated withNPRN93281TeitlMining Level, Cyfarthfa Canal, Rhyd-y-Car, Merthyr TydfilMath O Saflen/aPerthynasConsists ofNPRN261902TeitlCyfarthfa Canal Southern SectionMath O Saflen/aPerthynasConsists ofNPRN261901TeitlCyfarthfa Canal Northern SectionMath O Saflen/aPerthynasConsists of