Posted: Visualizing US expansion through post offices.

This visualization shows how formal US territorial control expanded in North America from 1700 to 1900, as seen through changes in the spatial distribution of post offices: (HD and 1080p download here. It’s much prettier!) A few months ago, I

/ Maps

Posted: Visualizing US expansion through post offices.

This visualization shows how formal US territorial control expanded in North America from 1700 to 1900, as seen through changes in the spatial distribution of post offices: (HD and 1080p download here. It’s much prettier!) A few months ago, I

/ August 6, 2011 / 20 comments