Section 31-4-139 - U

31-4-139.U.S. Highway 16 Alternate from U.S. Highway 16 at Custer via Keystone to U.S. Highway 16.The state trunk highway system includes the following in Custer and Pennington counties:From a point on U. S. Highway 16 in Custer near the northeast corner of section twenty-six, township three south, range four east, thence easterly and northerly via Custer and Keystone to U.S. Highway 16 north of Keystone on the north line of section thirty-one, township one south, range six east. Source: SL 1984, ch 209, §12.