Map of gender ratios of singles by county
6 upvotes | January 13, 2015 | by SirNemesis
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Map I had created once from survey data (counties with small sample
sizes and thus large error bounds are not included).

http://www.openheatmap.com/view.html?map=IrreconciliablenessDocsHallstatt
 
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Archived from https://theredarchive.com/post/217118