The National Historic Preservation Act, referred to in subsec. (c)(2), is Pub. L. 89–665, Oct. 15, 1966, 80 Stat. 915, as amended, which is classified generally to subchapter II (§ 470 et seq.) of chapter 1A of Title 16, Conservation. For complete classification of this Act to the Code, see section 470 (a) of Title 16 and Tables.