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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6070929
    Disgrifiad
    Survey of Bala Lake carried out by the Department of Zoology, University of Liverpool, October 1951.
    Cofnod Casglu
    Drawings Collection
    Cyfrwng
    Cartographic.
    Cychwynnwr
    University of Liverpool
    Dyddiad
    1951-10