Beginning at the southwest corner of township one hundred fifty-one north, range ninety-one west of the fifth principal meridian; thence east along the line between townships one hundred fifty and one hundred fifty-one north to the southeast corner of township one hundred fifty-one north, range eighty-eight west; thence north along the line between ranges eighty-seven and eighty-eight west to the northeast corner of township one hundred fifty-two north, range eighty-eight west, a point on the thirteenth standard parallel; thence west along the thirteenth standard parallel to the southeast corner of township one hundred fifty-three north, range eighty-eight west; thence continuing north along the line between ranges eighty-seven and eighty-eight west to the northeast corner of township one hundred fifty-six north, range eighty-eight west, a point on the fourteenth standard parallel; thence west along the fourteenth standard parallel to the southeast corner of township one hundred fifty-seven north, range eighty-eight west; thence continuing north along the line between ranges eighty-seven and eighty-eight west to the northeast corner of township one hundred fifty-eight north, range eighty-eight west; thence west along the line between townships one hundred fifty-eight and one hundred fifty-nine north to the northwest corner of township one hundred fifty-eight north, range ninety-four west; thence south along the line between ranges ninety-four and ninety-five west to the southwest corner of township one hundred fifty-seven north, range ninety-four west, a point on the fourteenth standard parallel; thence east along the fourteenth standard parallel to the northwest corner of township one hundred fifty-six north, range ninety-four west; thence continuing south along the line between ranges ninety-four and ninety-five west to the main channel of the Missouri River; thence in a southeasterly direction along the main channel of the Missouri River to the point where the line between ranges ninety-one and ninety-two west intersects the main channel of the Missouri River; thence north along the line between ranges ninety-one and ninety-two west to the point of beginning.