Snowmachine use is governed by regulations at Sec. 2.18(a) of this chapter, traffic safety, Sec. 2.18(b) of this chapter, state laws, and Sec. 2.18(d) and (e) of this chapter, prohibited activities; and 43 CFR 36.11(a)(2) adequate snow cover, and 43 CFR 36.11(c) traditional activities.