When land is sold, conveyed, transferred, or leased by the state of North Dakota, or by any department or agency thereof, or by any municipal subdivision thereof, the title to any and all archaeological or paleontological materials, whether such materials are found upon the surface or below the surface of such land, must be retained by the state or by the municipal subdivision thereof, as the case may be.
N.D.C.C. § 55-03-06