OS maps show physical and human features as symbols. 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.

Ordnance Survey (OS) has released a new map of the Moon to celebrate the 50th anniversary of humans landing there. OS has been producing detailed maps of Great Britain for almost 230 years ...