National Geographic : 1952 Jan
© National Geographic Society 10 Kodachrome by Richard H.Stewart A Snowball Fight Brings out the Small-boy Urge in Scientists. Ammunition Is Handy on Chubb Crater's Flank Permanent snow fields dot the area; any prolonged drop in temperatures would bring back the Ice Age. White patches on the distant hills sometimes get 21hours of sunshine a day but seldom if ever thaw. Deep-blue Museum Lake lies two miles away. The rocky incline (left) leads toChubb Crater's rim.