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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6219754
    Disgrifiad
    Llwyn y Bwlch, Llanrhidian; measured ground floor plan and sketch section view produced by Harry Brooksby, June 1972
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Graphic.
    Cychwynnwr
    Harry Brooksby, RCAHMW
    Dyddiad
    1972-06