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    •    Hygyrchedd

    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6485400
    Disgrifiad
    Ordnance Survey books (2) and paper maps and overlays indicating flight paths. Unsorted.
    Enw Casgliad
    Ordnance Survey Vertical Aerial Photography Collection
    Cychwynnwr
    Ordnance Survey
    Dyddiad
    1963 to 2009