36 C.F.R. § 261.21 National Forest primitive areas.
Title 36 - Parks, Forests, and Public Property
The following are prohibited in any area classified as a National Forest Primitive Area on September 3, 1964: (a) Landing of aircraft or using a motor boat, unless such use had become well established before September 3, 1964. (b) Possessing or using a motor or motorized equipment, except small battery powered, hand-held devices, such as cameras, shavers, flashlights, and Geiger-counters. [42 FR 35959, July 13, 1977. Redesignated at 70 FR 68291, Nov. 9, 2005]
Title 36: Parks, Forests, and Public Property
PART 261—PROHIBITIONS
Subpart A—General Prohibitions
§ 261.21 National Forest primitive areas.

