S.D. Codified Laws § 43-4-15 (2026)
If several parts of a grant are absolutely irreconcilable, the former part prevails.
Source: CivC 1877, § 616; CL 1887, § 3239; RCivC 1903, § 932; RC 1919, § 534; SDC 1939, § 51.1309.