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document How do I retrieve data for a single Block Group or Dissemination Area?
You can retrieve data for any geographic area defined by census geography as a Predefined Study Area. For the United States, census areas include...
04 Mar, 2008 Views: 504
document When I create a thematic Map using Dissemination areas from Environics Analytics 2008 database against the 2006 Census boundaries, there are is large number of white areas, indicating No Data.
The 2008 Environics estimates are based on 2001 census geography; a large numbert of DAs were merged or split between the 2001 and 2006 census, so...
10 Mar, 2008 Views: 477



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