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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6048044
    Disgrifiad
    Maes Gwastad Earthworks, Welshpool; plan produced by Cyril Wardale of Ordnance Survey, undated but donated to NMRW March 1988.
    Enw Casgliad
    Drawings Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    Cyril F. Wardale, Ordnance Survey
    Dyddiad
    c. 1988