Neb. Const. art. III, § 20. Salt springs, coal, oil, minerals; alienation prohibited.

The salt springs, coal, oil, minerals, or other natural resources on or contained in the land belonging to the state shall never be alienated; but provision may be made by law for the leasing or development of the same. Source: Neb. Const. art. III, sec. 17 (1875); Amended 1920, Constitutional Convention, 1919-1920, No. 11.