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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6144710
    Disgrifiad
    RCAHMW Black and white oblique aerial photograph of Ynyscedwyn Ironworks, Ystradgynlais, taken on 25/03/1991 by CR Musson
    Enw Casgliad
    RCAHMW Black and White Oblique Aerial Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Musson, RCAHMW
    Dyddiad
    1991-03-25