"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived 2011-07-07 at the Wayback Machine Retrieved March 20, 2011.
"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived 2011-07-07 at the Wayback Machine Retrieved March 20, 2011.