This file contains the digital population weighted centroids for Enumeration Districts for England and Wales as at 1971. The centroids were created using Full Resolution, Extent of the Realm boundaries. Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Enumeration_Districts_PWC_1971_EW/FeatureServer REST URL of MapServer – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/Enumeration_Districts_(1971)EW_Population_Weighted_Centroids/MapServerREST URL of WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/Enumeration_Districts(1971)_EW_Population_Weighted_Centroids/WFSServer?request=getcapabilities&service=wfs