S.D. Codified Laws § 43-2-8 (2026)
The state is the owner of all property lawfully appropriated or dedicated to its own use, and of all property of which there is no other owner.
Source: CivC 1877, § 169; CL 1887, § 2685; RCivC 1903, § 192; RC 1919, § 262; SDC 1939, § 51.0204.