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    NPRN33489
    Map ReferenceSO00SE
    Grid ReferenceSO0656003990
    Unitary (Local) AuthorityMerthyr Tydfil
    Old CountyGlamorgan
    CommunityTroed-y-rhiw
    Type Of SiteCOAL MINE
    PeriodPost Medieval
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    Description
    Graig (coal) Pits; two shafts and engine houses shown on 1875 25in map.
    B.A.Malaws, 01 September 1998.