Beginning at the southwest corner of township one hundred twenty-nine north, range sixty-six west of the fifth principal meridian, a point on the seventh standard parallel; thence east along the seventh standard parallel to the southeast corner of township one hundred twenty-nine north, range fifty-nine west; thence north along the line between ranges fifty-eight and fifty-nine west to the northeast corner of township one hundred thirty-two north, range fifty-nine west, a point on the eighth standard parallel; thence west along the eighth standard parallel to the northwest corner of township one hundred thirty-two north, range sixty-six west; thence south along the line between ranges sixty-six and sixty-seven west to the point of beginning.