EXTENSION OF LEWIS AND CLARK NATIONAL HISTORIC TRAIL.

SEC. 2502. EXTENSION OF LEWIS AND CLARK NATIONAL HISTORIC TRAIL. (a) Extension.—Section 5(a)(6) of the National Trails System Act (16 U.S.C. 1244(a)(6)) is amended— (1) by striking “three thousand seven hundred” and inserting “4,900”; (2) by striking “Wood River, Illinois,” and inserting “the Ohio River in Pittsburgh, Pennsylvania,”; and (3) by striking “maps identified as, ‘Vicinity Map, Lewis and Clark Trail’ study report dated April 1977.” and inserting “the map entitled ‘Lewis and Clark National Historic Trail Authorized Trail Including Proposed Eastern Legacy Extension’, dated April 2018, and numbered 648/143721.”. (b) [16 U.S.C. 1244 note] Effective Date.—The amendments made by subsection (a) shall take effect on the date that is 60 days after the date of enactment of this Act.