16 U.S.C. § 460s-8
The area hereinafter described in subsection (b) of this section is hereby established as an inland buffer zone in order to stabilize and protect the existing character and uses of the lands, waters, and other properties within such zone for the purpose of preserving the setting of the shoreline and lakes, protecting the watersheds and streams, and providing for the fullest economic utilization of the renewable resources through sustained yield timber management and other resource management compatible with the purposes of this subchapter.
As used in this subchapter, the term "inland buffer zone" means that part of the lakeshore delineated as such on the map identified as "Proposed Pictured Rocks National Lakeshore, United States Department of the Interior, National Park Service, Boundary Map, NL-PR-7100A, July, 1966". The Secretary shall file the map with the Office of the Federal Register, and it may also be examined in the Offices of the Department of the Interior.
16 U.S.C. § 460s-8