The administration, protection, and development of the Pictured Rocks National Lakeshore shall be exercised by the Secretary, subject to the provisions of sections
1,
2,
3, and
4 of this title, as amended and supplemented, relating to the areas administered and supervised by the Secretary through the National Park Service; except that authority otherwise available to the Secretary for the conservation and management of natural resources may be utilized to the extent he finds such authority will further the purposes of this subchapter.