Curated OER
Educational Technology Clearinghouse: Maps Etc: Population Distribution, 1860
A map of the central and eastern United States in 1860 showing the distribution of the population in the region at the time. The map shows State lines, the frontier line in 1860, and is keyed to show the areas of population density...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Population Distribution, 1870
A map from 1907 of the United States showing the distribution of the population in 1870. The map is keyed to show areas of population with densities ranging from under 2 inhabitants per square mile to 90 and over inhabitants per square...