7-1-33. Hughes County boundaries.
Beginning at the intersection of the third standard parallel north and the tenth guide meridian west of the fifth principal meridian, thence west and along said third standard parallel to the center of the main channel of the Missouri River; thence down the center of the main channel of said river to its intersection with the tenth guide meridian west in township one hundred nine north; thence north and along said tenth guide meridian to the place of beginning, and also all that tract or parcel of land lying and being in the Missouri River and known as Farm Island.
Source: SL 1872-3, ch 16, §32; SL 1891, ch 45, §2; SDC 1939, §12.0134.