This file contains the digital address weighted centroids for Middle layer Super Output Areas in England and Wales, as at 31 December 2001. Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/MSOA_Dec_2001_Address_Weighted_Centroids/WFSServer?service=wfs&request=getcapabilities REST URL of Map Server – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_(Dec_2001)_Address_Weighted_Centroids/MapServer REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_Dec_2001_Address_Weighted_Centroids/FeatureServer