The state trunk highway system includes the following in McPherson County: From a point on State Highway 10 west of Leola south of the northeast corner of section seven, township one hundred twenty - six north, range sixty - nine west, thence north to Long Lake near the southeast corner of section thirty - one, township one hundred twenty - eight north, range sixty - nine west. Source: SL 1984, ch 209 , § 88.
State Highway 239 from State Highway 10 to Long Lake
SDCL § 31-4-215 — under STATE TRUNK HIGHWAY SYSTEM.
SDCL § 31-4-215