22 CAR § 50-111. Excavations or unauthorized searches

(a) No person shall excavate for or search for, by any means, minerals, inorganic or organic materials, lost articles, coins, treasures, artifacts, or other materials on state park/museum properties, nor remove same from park property without written permission from the Director of the State Parks Division. (b) The exceptions shall be the searching for diamonds and other minerals at the Crater of Diamonds State Park, which shall be conducted in accordance with policies governing the operation of the diamond mine as posted at that facility, and geocache searches.