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