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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6202290
    Disgrifiad
    Late 19th century, 25" Ordnance Survey maps of Wales. Coverage of Wales is fairly comprehensive, though not complete.
    Enw Casgliad
    OSM4 - 25' First and Second Edition O.S. Maps
    Cyfrwng
    22 plan chest drawers. Cartographic.
    Cychwynnwr
    Ordnance Survey
    Dyddiad
    1887 to 1889