Beginning at the southwest corner of township one hundred fifty-seven north, range sixty-eight west of the fifth principal meridian, a point on the fourteenth standard parallel; thence east along the fourteenth standard parallel to the southeast corner of township one hundred fifty-seven north, range sixty-five west; thence north along the line between ranges sixty-four and sixty-five west to the northeast corner of township one hundred sixty north, range sixty-five west, a point on the fifteenth standard parallel; thence west along the fifteenth standard parallel to the southeast corner of township one hundred sixty-one north, range sixty-five west; thence continuing north along the line between ranges sixty-four and sixty-five west to the international boundary line between the United States and Canada; thence west along the international boundary line to the line between ranges sixty-eight and sixty-nine west; thence south along the line between ranges sixty-eight and sixty-nine west to the southwest corner of township one hundred sixty-one north, range sixty-eight west, a point on the fifteenth standard parallel; thence east along the fifteenth standard parallel to the northwest corner of township one hundred sixty     north, range sixty-eight west; thence continuing south along the line between ranges sixty-eight and sixty-nine west to the point of beginning.