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    NPRN500191
    Map ReferenceSO15SW
    Grid ReferenceSO1161452076
    Unitary (Local) AuthorityPowys
    Old CountyRadnorshire
    CommunityGlascwm
    Type Of SiteTRIANGULATION POINT
    PeriodModern
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    Description
    A concrete Ordnance Survey triangulation pillar, 1.2m high, on the top of the Wylfre. J.J. Hall, Trysor, 29 August 2007