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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleArchifauDelweddauNPRN275693TeitlAnnell Aqueduct (Upper Section)Math O SafleTRAPHONT DDŴRArchifau13Delweddau0NPRN275692TeitlAnnell Aqueduct (Lower Section)Math O SafleTRAPHONT DDŴRArchifau15Delweddau0NPRN95141TeitlOgofau Goldmines, Pre-19Th Century WorkingsMath O SafleMWYNGLAWDD AURArchifau42Delweddau2NPRN95142TeitlDolaucothi Gold Mines;Ogofau Gold MinesMath O SafleMWYNGLAWDD AURArchifau127Delweddau39