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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6155944
    Disgrifiad
    Ereiniog, Cwm Ystradllyn, Dolbenmaen; four colour photographs showing interior features uncovered during building work, accompanied by explanatory notes, produced by Gwilym Jones of Snowdonia National Park.
    Enw Casgliad
    Additional Information
    Cyfrwng
    Photo.
    Cychwynnwr
    G.H. Jones, Snowdonia National Park
    Dyddiad
    1998 to 2000