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    •    Hygyrchedd

    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6185461
    Disgrifiad
    Photographic album showing the construction of the modern Blaen-y-Cwm Reservoir and subsequent improvements, by the Sir Alexander Gibb Partnership.
    Cofnod Casglu
    Sir Alexander Gibb Collection
    Cyfrwng
    Photo.
    Cychwynnwr
    Sir Alexander Gibb Partnership
    Dyddiad
    1936 to 1944