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    NPRN40544
    Map ReferenceSH45SE
    Grid ReferenceSH4979053080
    Unitary (Local) AuthorityGwynedd
    Old CountyCaernarfonshire
    CommunityLlanllyfni
    Type Of SiteINCLINED PLANE
    PeriodPost Medieval
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    Description
    Part of Dorothea Slate Quarry complex (Nprn40539), depicted on OS County series (Caernarvon. XXI.9 1889); associated with:
    Winder house (Nprn40551).
    RCAHMW AP945127/52-5; 945128/56-61
    J.Wiles 17.06.04