; and (B) conducted in accordance with— (i) the Wilderness Act ( 16 U.S.C. 1131 et seq.); and (ii) appropriate policies, such as the policies established in Appendix B of House Report 101–405. (e) Buffer zones (1) In general Congress does not intend for designation of wilderness or wilderness additions by this Act to lead to the creation of protective perimeters or buffer zones around each wilderness area or wilderness addition. (2) Activities or uses up to boundaries The fact that nonwilderness activities or uses can be seen or heard from within a wilderness area shall not, of itself, preclude the activities or uses up to the boundary of the wilderness area. (f) Military activities Nothing in this title precludes— (1) low-level overflights of military aircraft over the wilderness areas or wilderness additions designated by section 301; (2) the designation of new units of special airspace over the wilderness areas or wilderness additions designated by section 301; or (3) the use or establishment of military flight training routes over the wilderness areas or wilderness additions designated by section 301. (g) Horses Nothing in this title precludes horseback riding in, or the entry of recreational or commercial saddle or pack stock into, an area designated as a wilderness area or wilderness addition by section 301— (1) in accordance with section 4(d)(5) of the Wilderness Act ( 16 U.S.C. 1133(d)(5) ); and (2) subject to any terms and conditions determined to be necessary by the Secretary. (h) Withdrawal Subject to valid existing rights, the wilderness areas and wilderness additions designated by section 301 are withdrawn from— (1) all forms of entry, appropriation, and disposal under the public land laws; (2) location, entry, and patent under the mining laws