S.D. Codified Laws § 5-7-18 (2026)
Where the term "oil and gas" is used in §§ 5-7-19 to 5-7-33, inclusive, it shall be construed to mean "oil, gas, and casing-head gas."
Source: SDC 1939, § 15.0510 as added by SL 1941, ch 53 , § 1.