National Geographic : 1956 Dec
eAlo stone NATIONAL PARK 0 5 10 15 STATUTE MILES 1w;. ^5" o^I a 0) 9) 7731 ft. . J n WLothers 762 Oldest of the Country's National Parks, Yellowstone Bestrides the Continental Divide taker of a near-by ranch, hopped out and tested the snow with his heel (page 765). "There's no time to lose," he announced. "This crust is hard now, but later in the day it may become too soft to support us." Felix's wingless plane was as earthbound as my car. But, as farmers, sportsmen. and winter dwellers throughout the northern Rockies have learned, such propeller-driven snowplanes can speedily reach frozen wonder lands that are otherwise accessible only after punishing hours on snowshoes. We transferred my bundles to the snow (Continued on page 767) i" "