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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6255745
    Disgrifiad
    Vertical air photo showing excavations in progress on Isthmus gate and north gate of south fort
    Enw Casgliad
    Additional Information
    Cyfrwng
    Photo.
    Cychwynnwr
    Royal Air Force
    Dyddiad
    1933 to 1934