43-17-13. Ownership of island or accumulation of land in nonnavigable stream.An island or accumulation of land formed in a stream which is not navigable belongs to the owner of the shore on that side where the island or accumulation is formed, or if not formed on one side only, to the owners of the shore on the two sides, divided by an imaginary line drawn through the middle of the river. Source: CivC 1877, §587; CL 1887, §3210; RCivC 1903, §903; RC 1919, §501; SDC 1939, §51.1108.
South Dakota Legal Code