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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6202439
    Disgrifiad
    Collection of photographs and site plans produced by Gwynedd County Council showing the refurbishment of Vivian Slate Quarry.
    Enw Casgliad
    Vivian Slate Quarry Survey
    Cyfrwng
    One box.
    Cychwynnwr
    Gwynedd County Council
    Dyddiad
    1991