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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Dinorwig slate quarry and 'Electric Mountain' pumped-storage hydro-electric power station, near Llanberis. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN408885TeitlDinorwig Pumped-Storage Hydro-Electric Power Station;Electric Mountain, LlanberisMath O SafleGORSAF BŴER TRYDAN-DŴRCasgliadau62Delweddau52
    NPRN40538TeitlDinorwic Slate QuarryMath O SafleCHWAREL LECHICasgliadau206Delweddau84