This makes the maps easier to read. Each OS map has a key to show what the symbols mean. Large-scale maps - 1:1,250, 1:2,500 and 1:10,000. Features appear larger on the map. This may be used for ...
We’ll need a key to show what the symbols mean. I still need to show where ... You can find where you are using an Ordnance Survey (OS) map. Features such as this information centre are ...