The county of Comanche is bounded as follows: Commencing at the intersection of the west line of range twenty west with the north line of township thirty-one; thence south along range line, to its intersection with the south boundary line of the state of Kansas; thence east along the said boundary line of the state of Kansas, to a point where it is intersected by the west line of range fifteen west; thence north along range line, to where it intersects the north line of township thirty-one; thence west, to the place of beginning.