Official State Map(PDF) (Map) (2009–10 ed.). Oklahoma Department of Transportation. Retrieved 2010-05-06.
Official State Map (Map) (2009–10 ed.). Oklahoma Department of Transportation. Oklahoma City inset. Retrieved 2010-05-06.
Official State Map (Map) (2009–10 ed.). Oklahoma Department of Transportation. Oklahoma City inset. Retrieved 2010-05-06.
Official State Map(PDF) (Map) (1986 ed.). Oklahoma Department of Transportation. Retrieved 2010-05-05.
Oklahoma Department of Transportation. Control Section Maps: Lincoln County(PDF) (Map). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved 2010-05-07.