16 USC § 160
Congressional declaration of purpose
through Pub. L. 116-344, except Pub. Ls. 116-260 and 116-283
The purpose of this subchapter is to preserve, for the inspiration and enjoyment of present and future generations, the outstanding scenery, geological conditions, and waterway system which constituted a part of the historic route of the Voyageurs who contributed significantly to the opening of the Northwestern United States.