State Highway 46 from U.S

Highway 18 to Iowa. The state trunk highway system includes the following in Charles Mix, Bon Homme, Yankton, Clay, and Union counties: From a point on U.S. Highway 18 in the southeast quarter of section four, township ninety - five north, range sixty - five west, thence east via Wagner, Irene, and Beresford to the Iowa state line near the northeast corner of section fifteen, township ninety - five north, range forty - eight west. Source: SL 1984, ch 209 , § 39.