The state trunk highway system includes the following in Jerauld and Sanborn counties: From a point in Alpena near the southwest corner of section two, township one hundred eight north, range sixty - three west, thence east via Alpena to State Highway 37 south of Huron near the southeast corner of section one, township one hundred eight north, range sixty - two west. Source: SL 1984, ch 209 , § 82.
State Highway 224 from Alpena to State Highway 37
SDCL § 31-4-209 — under STATE TRUNK HIGHWAY SYSTEM.
SDCL § 31-4-209