In order to preserve, develop, and make available to this and future generations the birthplace of forestry and forestry education in America and to promote, demonstrate, and stimulate interest in and knowledge of the management of forest lands under principles of multiple use and sustained yield and the development and progress of management of forest lands in America, the Secretary of Agriculture is hereby authorized to establish the Cradle of Forestry in America in the Pisgah National Forest, North Carolina. As soon as possible after July 11, 1968, the Secretary of Agriculture shall publish notice of the designation thereof in the Federal Register together with a map showing the boundaries which shall be those shown on the map entitled "Cradle of Forestry in America" dated April 12, 1967, which shall be on file and available for public inspection in the office of the Chief, Forest Service, Department of Agriculture.