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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRN419141
    Cyfeirnod MapSN70NE
    Cyfeirnod GridSN7853109788
    Awdurdod Unedol (Lleol)Powys
    Hen SirBrecknockshire
    CymunedYstradgynlais
    Math O SafleYSGOL
    Cyfnod19eg Ganrif
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    Disgrifiad
    The former Ironworks School at Ynyscedwyn was built circa 1842 and is marked on the first edition Ordnance Survey 25" map, BR XLIII. 14, of 1878.