• Cymraeg
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    Archive Number
    6072167
    Description
    Nant Gwrtheyrn Quarries, Gwynedd; Feasability Study for the quarries of Nant Gwertheyrn, covering Cae'r Nant, Porth Y Nant & Carreg Y Llam, by Posford Duvivier Consulting Engineers for Dwyfor County Council, dated 23/04/93.
    Collection Record
    OAI - Outsize Additional Information
    Medium
    Cartographic, Text, Photo.
    Originator
    Posford Duvivier
    Date
    1993-04-23