Ohio and Indiana exchange counties for equal population

#census, #indiana, #ohio, #us_states

IndianaUnionTractionCo.1904map

#19th_century, #20th_century, #argentina, #bermuda, #census, #ecuador, #egypt, #florida, #illinois, #indiana, #mississippi, #nebraska, #new_zealand, #pennsylvania, #peru, #south_america, #united_kingdom, #united_states, #wisconsin