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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6429384
    Disgrifiad
    No4 adit barracks, N wall, weighbridge to left of gable, barracks to right, Rhosydd Slate Quarries complex.
    Enw Casgliad
    Investigators' Photographs
    Cyfrwng
    Photo.
    Cychwynnwr
    Stephen R. Hughes
    Dyddiad
    1996-09-01