This file contains the digital vector boundaries for the lower layer super output areas (LSOA) in England and Wales, as at 31 December 2001. The boundaries available are: Generalised (20m) - clipped to the coastline (Mean High Water mark).Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesGeneralised (20m) - clipped to the coastline (87 MB)REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Lower_Super_Output_Areas_December_2001_Boundaries/MapServer/exts/InspireView REST URL of ArcGIS for INSPIRE Feature Download Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Lower_Super_Output_Areas_December_2001_Boundaries/MapServer/exts/InspireFeatureDownloadREST URL of ArcGIS Feature Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Census_Boundaries/Lower_Super_Output_Areas_December_2001_Boundaries/FeatureServer