Beginning at the southwest corner of township one hundred fifty-one north, range eighty-seven 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-one west; thence north along the line between ranges eighty and eighty-one west to the northeast corner of township one hundred fifty-two north, range eighty-one 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-one west; thence continuing north along the line between ranges eighty and eighty-one west to the northeast corner of township one hundred fifty-six north, range eighty-one 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-one west; thence continuing north along the line between ranges eighty and eighty-one west to the northeast corner of township one hundred fifty-seven north, range eighty-one west; thence west along the line between townships one hundred fifty-seven and one hundred fifty-eight north to the southeast corner of township one hundred fifty-eight north, range eighty-seven west; thence north along the line between ranges eighty-six and eighty-seven west to the northeast corner of township one hundred sixty north, range eighty-seven 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 eighty-eight west; thence north along the line between ranges eighty-seven and eighty-eight west to the northeast corner of township one hundred sixty-one north, range eighty-eight west; thence west along the line between townships one hundred sixty-one and one hundred sixty-two north to the northwest corner of township one     hundred sixty-one north, range eighty-eight west; thence south along the line between ranges eighty-eight and eighty-nine west to the southwest corner of township one hundred sixty-one north, range eighty-eight west, a point on the fifteenth standard parallel; thence west along the fifteenth standard parallel to the northwest corner of township one hundred sixty north, range eighty-nine west; thence south along the line between ranges eighty-nine and ninety west to the southwest corner of township one hundred fifty-nine north, range eighty-nine west; thence east 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 eighty-seven west; thence south along the line between ranges eighty-seven and eighty-eight west to the southwest corner of township one hundred fifty-seven north, range eighty-seven 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 eighty-seven west; thence continuing south along the line between ranges eighty-seven and eighty-eight west to the southwest corner of township one hundred fifty-three north, range eighty-seven west, a point on the thirteenth standard parallel; thence east along the thirteenth standard parallel to the northwest corner of township one hundred fifty-two north, range eighty-seven west; thence continuing south along the line between ranges eighty-seven and eighty-eight west to the point of beginning.