43-30A-1.'Mineral interest' defined.In this chapter, unless context otherwise requires, the term, 'mineral interest,' includes any interest in oil, gas, coal, clay, gravel, uranium, and all other minerals of any kind and nature, whether created by grant, assignment, exception, reservation, or otherwise, owned by a person other than the owner of the surface estate. Source: SL 1985, ch 338, §1.
South Dakota Legal Code