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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6028424
    Disgrifiad
    Photocopies of architects plans (1:50 scale) and elevations (1:100 scale) of buildings at the site of Llangan Lead Mine.
    Enw Casgliad
    Additional Information
    Cyfrwng
    Graphic.
    Dyddiad
    c. 1997