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On Belay!: The Life of Legendary Mountaineer Paul Petzoldt
On Belay The Life of Legendary Mountaineer Paul Petzoldt Author:Raye Carleson Ringholz Petzoldt's name is synonymous with the Grand Tetons and NOLS, the highly respected outdoor school that he founded. Blazing the trail for an international code of wilderness ethics and safe climbing techniques, Petzoldt devised the voice signaling system that begins with "On belay!" This intimate biography details Petzoldt's climbing caree... more »r, including many first ascents in the Tetons, the first American expedition to K2, and the extraordinary leadership accomplishments that made him legendary.« less