The Secretary shall use public and private assistance as he may require, for the purpose of preparing for the Area a program of multiple usage and of sustained yield of renewable natural resources. Such program shall include but need not be limited to (1) a quantitative and qualitative analysis of the resources of the Area; (2) the proposed boundaries of the Area; (3) a plan of land use, development, and management of the Area together with any proposed cooperative activities with the State of California, local governments, and others; (4) a statement of expected costs and an economic analysis of the program with particular reference to costs to the United States and expected economic effects on local communities and governments; and (5) an evaluation by the Secretary of the program in terms of the public interest.