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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRN67338
    Cyfeirnod MapSO21SE
    Cyfeirnod GridSO2577010730
    Awdurdod Unedol (Lleol)Sir Fynwy
    Hen SirSir Fynwy
    CymunedLlanfoist Fawr
    Math O SaflePWLL
    CyfnodÔl-Ganoloesol
    Loading Map
    Disgrifiad
    A shallow working into a N facing slope, up to 15m diameter and 3m deep. Either patching remains, or perhaps trial digging. Has subsidence pits to its E and W (nprn 67336).