Check out Christopher Lane's appraisal of an 1861 "Washington Map of the United States" wall map, from Harrisburg, Hour 2. Aired: 01/22/18 Rating: TV-G ...

The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860. Library of Congress In September of 1861, the U.S. Coast Survey published a large map ...

Like us on Facebook, ... This map, made by the U.S. Coast Survey in 1861 using census data from 1860, shows the relative prevalence of slavery in Southern counties that year.

Appraisal: 1861 Wyld's Military Map of the U.S., from Vintage Charleston.