N.D. Cent. Code § 38-18.1-01
38-18.1-01. Mineral interest defined
38-18.1-01. Mineral interest defined
In this chapter, unless context or subject matter otherwise requires, "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, reservation, or otherwise owned by a person
other than the owner of the surface estate.