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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6047545
    Disgrifiad
    Hafod y Garreg stone alignments; measured survey produced by Archaeology Branch of Ordnance Survey, dated 24th March 1977.
    Enw Casgliad
    Drawings Collection
    Cyfrwng
    Cartographic.
    Cychwynnwr
    Ordnance Survey
    Dyddiad
    1977-03-24