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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6231536
    Disgrifiad
    Gilfach Maen Isaf, Gelligaer; preliminary sketch of timber detail produced by RCAHMW, undated.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Graphic.
    Cychwynnwr
    RCAHMW