• Cymraeg
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    Archive Number
    6348276
    Description
    Photocopy of (part of) an O.S. map, and note of grid references, relating to Ynys-y-gerwyn Tinplate Works, Mill Stream.
    Collection Name
    NMR Site Files
    Medium
    1 file. Cartographic, Text.
    Date
    c. 1975 to 1979