43-17-12. New arm of stream--Island formed by division belongs to owner of shore. If a stream, navigable or not navigable, in forming itself a new arm, divides itself and surrounds land belonging to the owner of the shore and thereby forms an island, the island belongs to such owner.
Source: CivC 1877, § 588; CL 1887, § 3211; RCivC 1903, § 904; RC 1919, § 502; SDC 1939, § 51.1109.