• Cymraeg
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    NPRN420111
    Map ReferenceSH56SE
    Grid ReferenceSH5970061000
    Unitary (Local) AuthorityGwynedd
    Old CountyCaernarfonshire
    CommunityLlanddeiniolen
    Type Of SiteSLATE QUARRY
    PeriodPost Medieval
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    Description
    The Raven Rock slate quarry was one of several distinct commercial workings, dating from 1787, that eventually made up the Dinorwic slate quarry complex (NPRN 40538).