• Cymraeg
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    NPRN67418
    Map ReferenceSO21SE
    Grid ReferenceSO2556010110
    Unitary (Local) AuthorityTorfaen
    Old CountyMonmouthshire
    CommunityBlaenavon
    Type Of SitePIT
    PeriodPost Medieval
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    Description
    A group of 7 steep-sided pits linked by deep narrow channels. The pits are up to 5m diameter and 2m deep. Caused by subsidence of early C19 ironstone workings.