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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6137937
    Disgrifiad
    RCAHMW Black and white oblique aerial photograph of Pen-y-castell, Tirymynach, taken on 30/10/1992 by CR Musson
    Enw Casgliad
    RCAHMW Black and White Oblique Aerial Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Musson, RCAHMW
    Dyddiad
    1992-10-30