• Cymraeg
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    Archive Number
    6511355
    Description
    Black and white aerial photograph of Cwm Twrch Uchaf, taken by the Ordnance Survey on 13th April 1971 at an altitude of 7300 feet. Grid reference SN7511. Print enlargement (c. 20") taken from 9" film roll.
    Collection Record
    Ordnance Survey Vertical Aerial Photography Collection
    Medium
    Photo.
    Originator
    Ordnance Survey
    Date
    1971-04-13