Section 27.63 - Search for and removal of other valued objects(a) No person shall search for buried treasure, treasure trove, valuable semi-precious rocks, stones, or mineral specimens on national wildlife refuges unless authorized by permit or by provision of this subchapter C.(b) Permits are required for archeological studies on national wildlife refuges in accordance with the provisions of this subchapter C.(c) Permits are required for the collection of paleontological resources on national wildlife refuges in accordance with the provisions of 43 CFR part 49.41 FR 9168, Mar. 3, 1976, as amended at 87 FR 47329 , Aug. 2, 2022