Oklahoma Department of Transportation (2008). Official State Map(PDF) (Map). Oklahoma Department of Transportation. Retrieved December 23, 2009.[permanent dead link]
Oklahoma Department of Transportation (2008). "Lincoln 41"(PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
Oklahoma Department of Transportation (2008). "Creek 19"(PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
Oklahoma Department of Transportation (2008). "Pawnee 59"(PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
Oklahoma Department of Transportation (2008). "Osage 57"(PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.