OS Grid Letters overview map
Using this link http://apd.anquet.com/maplegends/NAT_GRID_GB.gif you will access an overview map of the 1:25,000 scale map showing the Grid Letters assigned to each area of the country.
Using this link http://apd.anquet.com/maplegends/NAT_GRID_GB.gif you will access an overview map of the 1:25,000 scale map showing the Grid Letters assigned to each area of the country.
