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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6296378
    Disgrifiad
    View of reservoir looking north-east towards breached dam
    Enw Casgliad
    Investigators' Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    David J. Percival, RCAHMW
    Dyddiad
    1994-09-28