• Cymraeg
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    NPRN80157
    Map ReferenceSN81SW
    Grid ReferenceSN8403010190
    Unitary (Local) AuthorityNeath Port Talbot
    Old CountyGlamorgan
    CommunityOnllwyn
    Type Of SiteCOAL MINE
    PeriodPost Medieval
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    Description
    Nineteenth-century coal mining tunnel or adit, marked on the first edition 1:2,500 Ordnance Survey Map.