The county of Pierce is bounded as follows: Commencing at the southwest corner of township twenty-five, north, of range four, west; thence east to the southeast corner of township twenty-five, north, of range one, west; thence north to the northeast corner of township twenty-eight, north, of range one, west; thence west to the northwest corner of township twenty-eight, north, of range four, west; thence south to the place of beginning.