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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Photographic negative showing view of Dolgarrog holding dam; collated by the former Central Office of Information.Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN85420TeitlDolgarrog Hydro-Electric Power StationMath O SafleGORSAF BŴER TRYDAN-DŴRCasgliadau25Delweddau8