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Original file (915 × 677 pixels, file size: 63 KB, MIME type: image/png)
static screen grab from the animation at: http://www.census.gov/dataviz/visualizations/055/
Click on a date/time to view the file as it appeared at that time.
|current||18:03, 24 September 2013||915 × 677 (63 KB)||Bill Peterson||static screen grab from the animation at: http://www.census.gov/dataviz/visualizations/055/|