Map of Indiana showing state highways designed in accordance with section 12, chapter 15, Acts of 1919 (Ind.) /Indiana State Highway Commission.
Detached from: Annual report of the State Highway Commission for the fiscal year ending September 30, 1923 / Indiana. State Highway Commission. In Yearbook of the State of Indiana for the year 1923. Indianapolis : Wm. B. Burford, 1924.; Shows brick, concrete and bituminous surfaced roads, stone and gravel roads, and earth roads, as well as hard surfaced roads and stone and gravel roads under construction.; Also shows State Highway Commission district headquarters and sub-district headquarters and district and sub-district boundaries.