This file contains the digital vector boundaries for the 2001 Output Areas. The boundaries available are: Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands); Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of ArcGIS for Map Server – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Output_Areas_(Dec_2001)_Boundaries_EW_BFE/MapServerREST URL of ArcGIS for WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Output_Areas_Dec_2001_Boundaries_EW_BFE/WFSServer?service=wfs&request=getcapabilitiesREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Output_Areas_Dec_2001_Boundaries_EW_BFE_2022/FeatureServer