The county of Decatur is bounded as follows: Commencing on the state line, at the northeast corner of town one, one range line between ranges twenty-five and twenty-six west; thence west on the state line, to the west line of range thirty west; thence south on said range line, to south line of town five; thence east on said line, to the east line of range twenty-six west; thence north on said range line, to the place of beginning.