• Cymraeg
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    NPRN80136
    Map ReferenceSN81SW
    Grid ReferenceSN8405010580
    Unitary (Local) AuthorityPowys
    Old CountyBrecknockshire
    CommunityYstradgynlais
    Type Of SiteCOAL MINE
    PeriodPost Medieval
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    Description
    Complex of nineteenth century shafts and tunnels, now largely obscures