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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Copy of a site plan showing the tramroad-age industrial and social landscape at Onllwyn, produced by C.W. Green, 1988Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN80163TeitlOnllwyn Ironworks, on llwynMath O SafleGWAITH HAEARNCasgliadau3Delweddau1