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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6024394
    Disgrifiad
    Inspection report for Porthwen Brickworks Silica Quarry, also known as Dinorben Quarry. 7pp.
    Enw Casgliad
    Additional Information
    Cyfrwng
    Text.
    Dyddiad
    1938-05-05