1 map : col., encapsulated in Mylar ; 49 x 77 cm Shows percent increase by state for periods 1850-1860, 1860-1870, 1870-1880, and 1880-1890. Includes text, table showing increase for selected cities, and tables showing population, United States, 1800-1890, settled areas in sq. miles, and public debt in dollars. Issued folded in pocket in back cover.