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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6348300
    Disgrifiad
    Photocopy of (part of) an O.S. map showing Craig-y-gigfran Coal Level, Aberdulais.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    1 file. Cartographic.