43 C.F.R. § 3.9 Form and reference of permit.
Title 43 - Public Lands: Interior
Every permit shall be in writing and copies shall be transmitted to the Smithsonian Institution and the field officer in charge of the land involved. The permitee will be furnished with a copy of the regulations in this part.
Title 43: Public Lands: Interior
PART 3—PRESERVATION OF AMERICAN ANTIQUITIES
§ 3.9 Form and reference of permit.

