The state trunk highway system includes the following in Tripp and Lyman counties: From a point on U.S. Highway 18 at Colome north of the southeast corner of section thirty-three, township ninety-eight north, range seventy-five west, thence northerly to State Highway 47 south of Reliance in the southeast quarter of section fifteen, township one hundred three north, range seventy-three west.

Source: SL 1984, ch 209 , § 42; SL 1986, ch 236 , § 1.