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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6134959
    Disgrifiad
    RCAHMW colour slide oblique aerial photograph of a section of Sarn Helen north-east of Coelbren Fort, Ystradfellte, taken on 26/07/1999 by Toby Driver
    Enw Casgliad
    RCAHMW Colour Oblique Aerial Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Toby G. Driver, RCAHMW
    Dyddiad
    1999-07-26