• Cymraeg
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    Details
    Hierarchy
    Related Sites
    Archive Number
    6438497
    Description
    Ffigur 48. Croestoriad o adran isaf chwarel Oakeley (chwarel Palmerston gynt), sy'n dangos cymhlethdod gweithrediad mawr yn Ffestiniog mewn sawl wyth?en wahanol. Gyda diolch i Graham Isherwood
    Collection Record
    WSP - Welsh Slate Publication Collection
    Medium
    Graphic.
    Originator
    RCAHMW
    Date
    2014