Kan. Stat. Ann. § 18-165
The county of Morton is bounded as follows: Commencing at the intersection of the section line three miles east of the west line of range thirty-nine west with the sixth standard parallel; thence south along said section line to where it intersects the south boundary line of the state of Kansas; thence west along said boundary line, to the southwest corner of the state of Kansas; thence north along the west boundary line of the state of Kansas, to where it intersects the sixth standard parallel, thence east, to the place of beginning.
L. 1886, ch. 37, § 4; February 20; R.S. 1923, 18-165, ¶ 1.