British Army Brigade and Divisional Districts in Ireland, c. 1920-1921

This dataset consists of two GIS maps of the British Army brigade and divisional districts across the island of Ireland circa 1920-21. This is a digital reproduction of an original hand-marked Ordnance Survey map within the The National Archives, UK collection W078/4712. The map files were created using a geocomputational framework using the programming language R. There are two versions released, ESRI Shapefiles and a GeoPackage (GPKG) file.