Planning and Research Division (2010). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original(Database) on 23 June 2011. Retrieved June 9, 2011.
General Highway Map, Lawrence County, Arkansas(PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. 2006. Retrieved October 16, 2011.
Planning and Research Division (2010). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original(Database) on 23 June 2011. Retrieved June 9, 2011.