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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6050973
    Disgrifiad
    Garreg Ddu Dam, Rhayader; photo survey comprising four b&w photographs taken by Iain Wright, 29th October 2003
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    Iain N. Wright, RCAHMW
    Dyddiad
    2003-10-29