Public laws, 92d Congress. 275. S. 3153, act to amend act of Jan. 8, 1971 (Public law 91-660; 84 Stat 1967), an act to provide for establishment of Gulf Islands National Seashore, in State of Florida and Mississippi, for recognition of certain historic values at Fort San Carlos, Fort Redoubt, Fort Barrancas, and Fort Pickens in Florida, and Fort Massachusetts in Mississippi, and for other purposes.