Section, Pub. L. 105–203, § 4, as added Pub. L. 106–291, title I, § 150(h), Oct. 11, 2000, 114 Stat. 959; amended Pub. L. 110–229, title III, § 361(a)(2), May 8, 2008, 122 Stat. 801, related to preservation of historic sites or structures associated with the Underground Railroad. See section 308303 of Title 54, National Park Service and Related Programs.