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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6348277
    Disgrifiad
    Photocopy of (part of) an O.S. map, and note of grid references, relating to Garwed Brook Coal Level Tramroad.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    1 file. Text, Cartographic.
    Dyddiad
    c. 1975 to 1979