Features appear smaller on the map. This may be used to show larger areas or regions. Four-figure grid references locate ... of a settlement from an OS map. There are both physical and human ...

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.