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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6074400
    Disgrifiad
    Photo survey showing Aberllefenni Slate Quarry, Corris, Merioneth, comprising 14 black and white prints taken by Dylan Roberts (RCAHMW). Negatives held
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    Dylan J. Roberts, RCAHMW
    Dyddiad
    1984