A Primitive Area is a land designation previously used by the United States Forest Service.
as stated by M. Rupert Cutler, in a briefing before the Subcommittee on Public Lands of the Committee on Interior and Insular Affairs, U.S. House of Representatives on July 24.
The US Forest Service, along with preservationist Bob Marshall, continued to add acreage to the fledgling wilderness system.
Areas in which the Park Service had shown a special interest, however, were almost all formally classified as primitive areas—even those under 100,000 acres (400 km2) in the West which
The U Regulations prohibited mechanized access, timber harvesting and road construction in the wilderness and wild areas.