From RTÉ Radio 1's The History Show, writer Mary Russell tells the story of how the very first Ordnance Survey maps of ...

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 ...

The cultural complexities of the OS in Ireland are recorded in a variety of source materials, not just maps. In various archives, museums and repositories across Ireland and Great Britain lie ...