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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6200545
    Disgrifiad
    Blaen-Nant Wen, Gelligaer; descriptive account produced by Harry Brooksby and C.N. Johns, 1964- 1981.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Text.
    Dyddiad
    1964-11-11 to 1981-11