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    Archive Number
    6515198
    Description
    Black and white aerial photograph of Swyddffynnon, taken by the Ordnance Survey on 15th June 1973 at an altitude of 7,700 feet. Grid reference SN6966. Print enlargement (c. 20") taken from 9" film roll.
    Collection Name
    Ordnance Survey Vertical Aerial Photography Collection
    Medium
    Photo.
    Originator
    Ordnance Survey
    Date
    1973-06-15