S.D. Codified Laws § 43-18-3 (2026)
It is a Class 2 misdemeanor to injure, destroy, deface, or remove any monument erected by the United States Coast and Geodetic Survey or the United States Geological Survey.
Source: SL 1919, ch 352 ; SDC 1939, §§ 18.0203, 18.9903; SL 1983, ch 15 , § 7.