persons who appropriate, excavate, injure, or destroy any historic or prehistoric ruin or monument, or any object of antiquity on lands under the supervision of the Secretaries of Agriculture, Army, and Interior, respectively.

§3.16 Seizure.

Any object of antiquity taken, or collection made, on lands owned or controlled by the United States, without a permit, as prescribed by the act and this part, or there taken or made, contrary to the terms of the permit, or contrary to the act and this part, may be seized wherever found and at any time, by the proper field officer or by any person duly authorized by the Secretary having jurisdiction, and disposed of as the Secretary shall determine, by deposit in the proper national depository or otherwise.

§3.17 Preservation of collection.

Every collection made under the authority of the act and of this part shall be preserved in the public museum designated in the permit and shall be accessible to the public. No such collection shall be removed from such public museum without the written authority of the Secretary of the Smithsonian Institution, and then only to another public museum, where it shall be accessible to the public; and when any public museum, which is a depository of any collection made under the provisions of the act and this part, shall cease to exist, every such collection in such public museum shall thereupon revert to the national collections and be placed in the proper national depository.

PART 4-DEPARTMENT HEARINGS AND APPEALS PROCEDURES

Subpart A-General; Office of Hearings and Appeals