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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6232055
    Disgrifiad
    Hafod Isha nickel and Cobalt Works, Swansea; one black and white photograph taken by A.J . Parkinson, 1978
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    Mr Anthony J. Parkinson, RCAHMW
    Dyddiad
    1978