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    NPRN505586
    Map ReferenceSH55NE
    Grid ReferenceSH5517359923
    Unitary (Local) AuthorityGwynedd
    Old CountyCaernarfonshire
    CommunityWaunfawr
    Type Of SiteTRAMWAY TUNNEL
    PeriodPost Medieval
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    Description
    A tunnel providing access to Chwarel Fawr quarry. It is marked on the OS 1st Edition mapping. The site is mostly infilled with quarry waste. P.J. Schofield, OANorth, 7th June 2007