5-7-18. Oil and gas leases--Casing-head gas included.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.
South Dakota Legal Code