This subchapter, referred to in text, was in the original “this subtitle”, meaning subtitle D of title VI of Puspan. L. 96–294, June 30, 1980, 94 Stat. 768, which enacted this subchapter and former sections 1146 and 1147 of this title and amended former sections 1141 and 1143 of this title and sections 796, 824a–3, 824i, and 824j of Title 16, Conservation.