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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRN287737
    Cyfeirnod MapSH54NE
    Cyfeirnod GridSH5504849890
    Awdurdod Unedol (Lleol)Gwynedd
    Hen SirSir Gaernarfon
    CymunedDolbenmaen
    Math O SafleLEFEL
    CyfnodÔl-Ganoloesol
    Loading Map
    Disgrifiad
    A 2m high by 2m wide mine tunnel cut into the western facing hillside. Noted during an upland survey conducted by Archaeophysica during 2005-6