36 CFR 1002.19 - Winter activities.
(a) Skiing, snowshoeing, ice skating, sledding, innertubing, tobogganing and similar winter sports are prohibited on Presidio Trust roads and in parking areas open to motor vehicle traffic, except as otherwise designated.
(b) The towing of persons on skis, sleds, or other sliding devices by motor vehicle or snowmobile is prohibited, except in designated areas or routes.
Title 36 published on 2013-07-01
no entries appear in the Federal Register after this date.