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    Manylion
    Delweddau
    Safleoedd Cysylltiedig
    Archifau Cysylltiedig
    NPRN67336
    Cyfeirnod MapSO21SE
    Cyfeirnod GridSO2552010600
    Awdurdod Unedol (Lleol)Sir Fynwy
    Hen SirSir Fynwy
    CymunedLlanfoist Fawr
    Math O SaflePWLL
    CyfnodÔl-Ganoloesol
    Loading Map
    Disgrifiad
    Small circular pit, c5m diameter and up to 1m deep with almost straight sides and a level undulating base. Located about 5m N of the SW end of tramroad (67335). Probably caused by mining subsidence. (not shown on GIS plot).