This file contains the digital vector boundaries for Middle Layer Super Output Areas in England and Wales, as at 31 December 2001. The boundaries available are: Full resolution - clipped to the coastlineContains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesFull resolution - clipped to the coastline (159 MB).REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_Dec_2001_Boundaries_EW_BFC_2022/FeatureServerREST URL of ArcGIS for INSPIRE Feature DownloadService –https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/MSOA_Dec_2001_Boundaries_EW_BFC/WFSServer?service=wfs&request=getcapabilitiesREST URL of ArcGIS for INSPIRE View Service –https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA_(Dec_2001)_Boundaries_EW_BFC/MapServer