Wilderness Act (16 U.S.C. 1131-1136, 78 Stat. 890).
This Act directs the Secretary of the Interior, to review every roadless area of 5,000 or more acres and every roadless island within National Wildlife Refuge and National Park Systems and to recommend to the President the suitability of each such area or island for inclusion in the National Wilderness Preservation System. The National Wilderness Preservation System is to be composed of federally owned areas designated by the Congress as "wilderness areas". The Secretary of Agriculture must recommend suitable areas in the National Forest System.