Marty Hoey was a mountaineer and mountain guide who took part in a 1982 expedition to Mount Everest. During an attempted ascent that would have made her the first American woman to summit Everest, she plunged over the edge of the Great Couloir to her death, as the result of an unsecured climbing harness. She had scaled Washington's Mount Rainier over 100 times, and led expeditions on Alaska's Denali.

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