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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6065781
    Disgrifiad
    A handwritten descriptive note on Frongoch Lead Mine magazine (I). Includes pencil sketch plan and an isometric projection.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Text, Graphic.
    Dyddiad
    1983-09-14