Planning and Research Division (2012). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original(MDB) on June 23, 2011. Retrieved May 3, 2013.
General Highway Map, Independence County, Arkansas(PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. November 3, 2006. Retrieved May 7, 2013.
Planning and Research Division (2012). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original(MDB) on June 23, 2011. Retrieved May 3, 2013.