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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6438489
    Disgrifiad
    Figure 217. Map showing development of Porthmadog harbour Based upon ? Crown copyright and database rights 2014. Ordnance Survey licence no. 100022206
    Cofnod Casglu
    WSP - Welsh Slate Publication Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    RCAHMW
    Dyddiad
    2014