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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    RCAHMW colour slide oblique aerial photograph of Dinas Mawddwy Slate Quarry (Carlyle Slate & Slab Works), Mawddwy, taken by C.R. Musson, 09/10/94Further Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN310049TeitlMinllyn Slate and Slab QuarryMath O SafleCHWAREL LECHICasgliadau40Delweddau10