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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6323656
    Disgrifiad
    Photograph of Upper Bank Copperworks, Swansea: showing detail of earlier smelting halls, with Grenfell town above.
    Enw Casgliad
    Investigators' Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Stephen R. Hughes
    Dyddiad
    1996-06-01