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.

This land is gently sloping. It is also important to be able to interpret the site and situation of a settlement from an OS map. There are both physical and human factors that affect the site and ...

Ordnance Survey (OS), the UK's leading mapping authority, has revealed that its open datasets are now available through ...