Output Area Boundaries: Chelmsford, England, 2001

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Abstract/Contents

Abstract: This polygon shapefile contains high-resolution output area (OA) boundaries and population statistics for Chelmsford, England. Output areas (OAs) are created for Census data, specifically for the output of census estimates. The OA is the lowest geographical level at which census estimates are provided. There are 175,434 output areas in England and Wales. They were created around a target of 125 resident households, and 37.5% lie between 120 and 129 households, whilst 79.5% lie between 110 and 139 households. Some 5% lie between 40 households - the confidentiality threshold - and 99 households, and many of these are a single parish (or community in Wales). The output areas nest within ward and parish (community in Wales) boundaries legally in place at the end of 2002. Draft boundaries were used in a few local authorities where final versions did not become available. Information on the operative dates for the district, ward and parish boundaries in each local authority is listed Here (as an Excel file), together with the number of Output Areas in each authority.
Purpose: This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	1.983
Place	Fareham, GB
Publisher	Great Britain. Ordnance Survey
Date valid	2001
Publication date	2004
Language	English
Digital origin	born digital
Map data	Scale not given. ; Custom projection E 0°19ʹ33ʺ--E 0°39ʹ48ʺ/N 51°51ʹ31ʺ--N 51°36ʹ51ʺE 0°19ʹ56ʺ--E 0°38ʹ56ʺ/N 51°51ʹ27ʺ--N 51°37ʹ, Scale not given ; EPSG::4326

Creator	Great Britain. Office for National Statistics

WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/dk725bz7703

Use and reproduction: These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.
Copyright: Copyright ownership resides with the originator.

Preferred citation: Great Britain, Office for National Statistics. (2004). Output Area Boundaries: Chelmsford, England, 2001. Great Britain. Ordnance Survey. Available at: http://purl.stanford.edu/dk725bz7703.

OA Boundaries for England and Wales

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