This Environmental Impact Statement is an analysis of the effects of wilderness designation or nondesiganation alternatives on 11,695 acres of public land in three wilderness stud areas. The study areas are all located in Carbon County. The Encampment River Canyon is in southern Carbon County, two miles south of Encampment the Bennett Mountains WSA is in north central Carbon County east of Seminoe Dam: and the Prospect Mountain WSA is in southern Carbon County approximately 16 miles southeast of E,, campment and 8 miles north of the Colorado Wyoming border. This EIS was prepared in response to Section 603 of the Federal Land Policy and management Act which directs the Bureau of Land management to inventory, study, and report to Congress, through the Secretary of Interior and the President, those public lands suitable for preservation as wilderness.