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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Ynys Gron granite quarry and the town of Porthmadog. 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
    NPRN405432TeitlGarth;Ynys Gron Granite Quarry, LlanfrothenMath O SafleCHWAREL WENITHFAENCasgliadau3Delweddau3
    NPRN401385TeitlPorthmadog TownMath O SafleTREFCasgliadau31Delweddau16