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    Archive Number
    6066225
    Description
    Investigator's report concerning Drylliau, Efanechtyd, including typed descriptive account, drawings in pencil showing plan, section, and details of trusses, and two black and white photographs. Negatives held.
    Collection Name
    NMR Site Files
    Medium
    Photo, Text, Graphic.
    Originator
    Mr Anthony J. Parkinson
    Date
    1974-12-06