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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6429441
    Disgrifiad
    Cwmorthin Slate Quarry complex: Photo survey comprising 6 B&W prints taken by S. R. Hughes, September 1996.
    Enw Casgliad
    Investigators' Photographs
    Cyfrwng
    6 prints. Photo.
    Cychwynnwr
    Stephen R. Hughes
    Dyddiad
    1996-09-01