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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6319878
    Disgrifiad
    Aberllefenni Slate Quarry reservoir and dam. Sluice gate machinery.
    Enw Casgliad
    Investigators' Digital Photography
    Cyfrwng
    Photo.
    Cychwynnwr
    Louise Barker, RCAHMW
    Dyddiad
    2010-06-15
    Aberllefenni Slate Quarry reservoir and dam. Sluice gate machinery.Opsiynau lawrlwytho a prynu