The state trunk highway system includes the following in Grant County: From State Highway 20 south of Milbank near the northwest corner of section nineteen, township one hundred nineteen north, range forty - eight west, thence east to the Minnesota state line east of Stockholm near the northwest corner of section twenty - two, township one hundred nineteen north, range forty - seven west. Source: SL 1984, ch 209 , § 73.
State Highway 158 from State Highway 15 to Minnesota
SDCL § 31-4-200 — under STATE TRUNK HIGHWAY SYSTEM.
SDCL § 31-4-200