This file contains the digital vector boundaries for the historical County Boroughs in England and Wales as at Census Day 1921.Version 2 note: Includes York, City and County Of CB (H06201859).The boundaries available are: (BGC) Generalised resolution - clipped to the coastline (Mean High Water mark).Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/County_Boroughs_December_1921_Boundaries_EW_BGC_V2/WFSServer?service=wfs&request=getcapabilities REST URL of MapServer – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/County_Boroughs_(December_1921)_Boundaries_EW_BGC_V2/MapServer REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/CB_JUN_1921_EW_BGC_V2/FeatureServer