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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRNTeitlMath O SaflePerthynasNPRN85647TeitlPen-y-Daren Pits Incline, (Pen-y-Daren Iron Co Rly.)Math O Saflen/aPerthynasAssociated withNPRN85631TeitlPenydarren;Ffos-y-Fran, InclineMath O Saflen/aPerthynasAssociated with