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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6202339
    Disgrifiad
    Collection of albums and photographs with related material showing the construction of reservoirs in Mid-Wales.
    Enw Casgliad
    Edward Hubbard Collection
    Cyfrwng
    Multiple boxes.
    Cychwynnwr
    Edward Hubbard