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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6492031
    Disgrifiad
    Colour slide produced by Colin Guile, caption reads "Powder House at Llywernog Lead Mine" dated 15/5/74.
    Enw Casgliad
    Colin Guile Collection
    Cychwynnwr
    Colin Guile
    Dyddiad
    1974-05-15