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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6018723
    Disgrifiad
    Brecknock & Abergavenny Canal, Ashford Tunnel, Talybont on Usk; Photo survey comprising 6 photos taken by I.N. Wright dated 29 October 1989.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    Iain N. Wright
    Dyddiad
    1989-10-26