Kan. Stat. Ann. § 18-176
The county of Pratt is bounded as follows: Commencing where the east line of range eleven west intersects the fifth standard parallel; thence south with said range line, to the sixth standard parallel; thence west with said parallel, to the east line of range sixteen west; thence north with said range line, to the fifth standard parallel; thence east with said parallel, to the place of beginning.
G.S. 1868, ch. 24, § 60; October 31; R.S. 1923, 18-176.