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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6228370
    Disgrifiad
    Digital copies of 35mm slides of various lead mines and related artefacts in Wales, taken by Christopher J. Williams, during mine exploration and research 1970-2000.
    Enw Casgliad
    CJW - Christopher J. Williams Mines Photographs
    Cyfrwng
    123 digital image files. Photo.
    Cychwynnwr
    C.J. Williams
    Dyddiad
    1970 to 2000