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