Labels:text | map | diagram | atlas OCR: 1840 1860 Population per Sq. Mile Population per Sq. Mile 0.9 or less 2.1 or less 1.0-3.9 2.2-5.9 4.0 or more 6.0-11.9 . Location of 50% or more 12.0 or more of county population . Location of 50% or more . Location of 75% or more of county population of county population . Location of 75% or more of county population 1880 Population per Sq. Mile Early Population 3.5 or less 3.6-8.4 8.5-14.9 15.0-19.9 20.0 or more . Location of 50% or more of county population Location of 75% or more of county population
(.png)
