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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6027871
    Disgrifiad
    Alwen Water Treatment Works; Photo survey comprising 6 B&W prints taken by Brian Malaws taken by 6th April 1995.
    Enw Casgliad
    Investigators' Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Mr Brian A. Malaws
    Dyddiad
    1995-04-06