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1259.0.30.003 - Australian Standard Geographical Classification (ASGC) Urban Centres and Localities (UC/L) Digital Boundaries, Australia, 2006  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 21/08/2007   
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EXPLANATORY NOTES


GEOGRAPHY METADATA PROFORMA

DATASET CUSTODIAN

Title

1ASGC (Edition 2006) Urban Centres and Localities (UC/L) Digital Boundaries, Australia (ABS cat. no. 1259.0.30.003).


Custodian

2ABS Geography Section: geography@abs.gov.au



DESCRIPTION

Abstract

3These digital boundaries represent Urban Centre/Locality (UC/L), Section of State (SOS), Section of State Range (SOSR). Date of effect of the UC/L and SOS Structures is 8 August 2006, the date of the 2006 Census of Population and Housing.


Geographic Extent Name

4Geographic Australia; including the external territories of Cocos (Keeling) Islands & Christmas Island but excluding all other external territories.


Data Status

5Completed dataset. No further updates are planned.



DATA ACCESS

Stored data format

6Digital as separate files for each level of the ASGC 2006 structures represented.


Available format type

7MapInfo interchange format (.mid & .mif) and ESRI Shapefile (.shp, .shx, .dbf, .prj) format.


Access constraints

8Copyright Commonwealth of Australia administered by the ABS.



DATA QUALITY

Positional Accuracy

9The PSMA topographic database to which boundaries are aligned was captured at scales which vary from 1:4,000 in urban areas to 1:250,000 in remote areas.


Attribute Accuracy

10Geographical area codes & labels are 100 % validated to the 2006 edition codes & labels of the structures represented. (Reference is ABS cat no. 1216.0 and 2909.0).


Logical Consistency

11Spatial units are closed polygons. Polygons are attributed with ASGC 2006 codes & labels. Slivers/bow-ties may be present within or between spatial units. These data include attribute records without spatial objects for administrative purposes.


Completeness

12The Urban Centre/Locality and the Section of State Structures of the ASGC Edition 2006 are represented in their entirety.



CO-ORDINATE SYSTEMS

Datum

13Datum GDA94


Projection

14Projection Lat/Long


Metadata Date

15August 2007


Additional Metadata

16Reference: Statistical Geography Vol 1: Australian Standard Geographical Classification (ASGC) 2006 (ABS Cat. No. 1216.0). Statistical Geography Vol 3: Australian Standard Geographical Classification (ASGC) 2006 Urban Centres/Localities (ABS Cat. No. 2909.0).


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