The county of Arthur is bounded as follows: Commencing at the southeast corner of township seventeen, north, range thirty-six, west of the sixth principal meridian; thence north on the range line between ranges thirty-five and thirty-six to the northeast corner of township twenty, north, range thirty-six, west; thence west along the fifth standard parallel to the northwest corner of township twenty, north, range forty, west; thence south along the range line between ranges forty and forty-one, west, to the southwest corner of township seventeen, north, range forty, west; thence east along the fourth standard parallel to the place of beginning.