NPRN67405
Cyfeirnod MapSO21SE
Cyfeirnod GridSO2576010300
Awdurdod Unedol (Lleol)Torfaen
Hen SirSir Fynwy
CymunedBlaenavon
Math O SaflePWLL
CyfnodÔl-Ganoloesol
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Disgrifiad
A steep-sided pit 7m diameter and 1.5m deep, an amalgamtaion of 3 smaller pits. Caused by subsidence of early C19 ironstone workings.