16 U.S.C. § 431 : CONSERVATION — NATIONAL PARKS, MILITARY PARKS, MONUMENTS, AND SEASHORES — NATIONAL AND INTERNATIONAL MONUMENTS AND MEMORIALS — Repealed TEXT PDF 16 U.S.C. § 431 Pub. L. 113-287, §7, Dec. 19, 2014, 128 Stat. 3272 Section, act June 8, 1906ch. 3060, §2June 8, 1906, 34 Stat. 225, authorized declaration of national monuments. See section 320301(a) to (c) of Title 54, National Park Service and Related Programs.