National Geographic : 1953 Aug
235 No Place for a Misstep on These High, Snowy Slopes. It's a Long Way Down! The head of Eldridge Glacier, one of the largest in the Alaska Range, lies 4,000 feet below (right). The sharp 11,000 foot peak (top center) is unnamed, unclimbed. Mount Mather has been climbed but once, in 1952.