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1259.0.30.001 - Australian Standard Geographical Classification (ASGC) Digital Boundaries (Intercensal), Australia, 2007  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 17/07/2007   
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GEOGRAPHY METADATA PROFORMA



CATEGORY
ELEMENT
ELEMENT DESCRIPTION


Dataset
TitleASGC (Edition 2007) Digital Boundaries, Australia (ABS cat. no. 1259.0.30.001)
CustodianCustodianABS Geography Section: geography@abs.gov.au
DescriptionAbstractThe digital boundaries for this edition of the ASGC are consistent with the spatial units described in the structures of the ASGC 2007. Date of effect of this edition is 1 July 2007. Digital boundaries are for Statistical Local Area (SLA), Statistical Subdivision (SSD), Statistical Division (SD), Local Government Area (LGA), Statistical District (SDist), Major Statistical Region (MSR), Statistical Region (SR), Statistical Region Sector (SRS) and State/Territory (S/T).
Geographic Extent NameGeographic Australia; including the external territories of Cocos
(Keeling) Islands & Christmas Island but excluding all other external territories.

Data CurrencyBeginning date1 July 2007
Ending dateCurrent
Data StatusProgressCompleted dataset
Maintenance & Update FrequencyNo further updates are planned.
AccessStored data formatDigital as separate files for each level of the ASGC 2007 structures represented.
Available format typeMapInfo interchange format (.mid & .mif) and ESRI Shapefile (.shp) format.
Access constraintsCopyright Commonwealth of Australia administered by the ABS.
Data QualityLineageSLA boundaries are aligned to the PSMA digital topographic database used for ASGC 2006 boundary set (mid 2004 through early 2005). Higher level spatial units are aggregated from the SLA level.
Positional AccuracyThe 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 AccuracyGeographical area codes & labels are 100 % validated to the 2007 edition codes & labels of the structures represented. (Reference is ABS cat no. 1216.0).
Logical ConsistencySpatial units are closed polygons. Polygons are attributed with ASGC 2007 codes & labels. Slivers/bow-ties may be present within or between spatial units.

These data include attribute records without spatial objects for administrative purposes.
CompletenessFour structures defined for the ASGC 2007 are represented - all levels of each of those structures are represented.
Co-ordinate SystemsDatumDatum GDA94
ProjectionProjection Lat/Long
Metadata DateMetadata DateJuly 2007
Additional MetadataAdditional MetadataReference: Australian Standard Geographical Classification (ASGC) 2007 (ABS Cat. No. 1216.0)


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