Beginning at the northeast corner of township one hundred twenty–four north of range seventy–four, west of the fifth principal meridian, thence west and along the sixth standard parallel north, to the center of the main channel of the Missouri River; thence southerly and down the center of the main channel of the Missouri River to its intersection with the fifth standard parallel, north, as extended; thence east and along the township line between townships one hundred twenty and one hundred twenty–one north, to the southeast corner of township one hundred twenty–one north of range seventy–four, west of the fifth principal meridian; thence north and along the range line between ranges seventy–three and seventy–four west, to the place of beginning.

Source: SL 1872-3, ch 16, § 35; SDC 1939, § 12.0166.