A map of the United States. Small areas possibly counties are filled in with a color on a gradient from dark red to dark blue. There is no key indicating what the colors represent. A footer indicates that the map was made in Tableau.
Description 
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Category
Source 1 of 13
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Date
2014
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2013
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2013
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2014
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2013
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Date
2013
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Date
2013
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2013
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Date
2013
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Date
2013
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Date
2013
Collection
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Date
2014
Collection
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Date
2013
Collection
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