Beginning at the northeast corner of township one hundred sixteen north of range seventy–one west of the fifth principal meridian, thence west and along the fourth standard parallel north, to the northwest corner of township one hundred sixteen north of range seventy–three west; thence south and along the tenth guide meridian west to the center of the main channel of the Missouri River; thence down the center of the main channel of the Missouri River to its intersection with the second standard parallel north; thence east and along said parallel to the southeast corner of township one hundred nine north of range seventy–one west; thence north and along the range line between ranges seventy and seventy–one west, being the tenth guide meridian west, to the place of beginning.

Source: SL 1872-3, ch 16; SL 1879, ch 12; SL 1883, ch 21, § 1; SDC 1939, § 12.0136.