Primary Source 1: U.S. Census data of southernmost Illinois from the 1820s - 1870s
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Primary Source 1: U.S. Census data of southernmost Illinois from the 1820s - 1870s
Author: United States Census
Date: 1820-1870
Note: Each dot on this interactive map of southern Illinois represents 5 African Americans living near that location, according to the U.S. Census. Move the slider tool at the bottom below the map to reveal changes in these numbers during each decade.