View Western Lawmen Cabinet card portrait of Thomas J. Smith, marshal and chief of police in Abilene, KS, murdered by outlaws in 1870. Abilene, KS: Forney's Studio, n.d (Circa 1899) By Smith J.; ...

This map comes from Francis Amasa Walker’s 1874 Statistical Atlas of the United States, an early exercise in data visualization which was compiled using findings from the 1870 census.