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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6128613
    Disgrifiad
    Dolgun Blast Furnace, Dolgellau; Guidebook, produced by Snowdonia National Park, undated.
    Enw Casgliad
    Additional Information
    Cyfrwng
    Text, Cartographic, Graphic.
    Cychwynnwr
    Snowdonia National Park