US Population 1850.
Map showing in five degrees of density, the distribution, within the territory east of the 100th Meridian, of the population of the United States, excluding Indians not taxed. Compiled from the returns of population at the seventh census by Francis A. Walker. (Julius Bien, Lith., 1874)
David RumseyWalker, Francis Amasa, 1840-1897
1874
1874
U.S.
1:7 100 000