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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6070579
    Disgrifiad
    Photographic survey of Tyddyn-Du, Dyffryn Ardudwy, Merioneth, comprising 11 black and white photographs. Undated
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.