National Geographic : 1967 May
On top of the bottom of the world FIRST EVER ON ANTARCTICA'S ROOFTREE, American mountaineers S16,860-foot summit of Vinson Massif, December 18,1966. They them flags of the 12 nations that signed the Antarctic Treaty for peac< on the continent. Here Richard Wahlstrom, Samuel Silverstei (st Nicholas Clinch unfurl the Society's banner. The National Geogra National Science Foundation, and American Alpine Club sponsored expedition, which received invaluable logistic support from the U. next month's GEOGRAPHIC, expedition leader Clinch tells how, despite sub-zero temperatures, the party scaled six mountains in six weeks, c specimens to aid the continuing investigation of the frozen land.