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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    RCAHMW colour oblique aerial photograph of Dinorwic Slate Quarry Workshops, Llanberis, now the Welsh Slate Museum. Taken on 06 August 2009 by Toby DriverFurther Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN40559TeitlDinorwic Slate Quarry Workshops; Welsh Slate Museum, LlanberisMath O SafleGWAITH PROSESU LLECHICasgliadau90Delweddau31