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Date: 2013-06-27 10:21:09Himalayas Shigatse Prefecture Peak Apa Sherpa Rob Hall Daniel Mazur Mount Everest Mountaineering Geography of Tibet | The Economics of Innovation: Mountaineering and the American Space ProgramAdd to Reading ListSource URL: www.nasa.govDownload Document from Source WebsiteFile Size: 834,90 KBShare Document on Facebook |