Fatal Fall at Denali Pass - Denali National Park & Preserve (U.S. National Park Service)
TO THE MAX: Expedition Frumplestiltskin: Cassin Ridge, Denali
Maps - Denali National Park & Preserve (U.S. National Park Service)
Itinerary - Alpine Ascents International
Denali's West Buttress 2014 : Trip Reports : SummitPost
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2012 Summit of Mt McKinley (Denali) - West Buttress Route Overview - YouTube
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Simon McCartney, Denali, Mount Huntington, Denali, the Cassin route and, in pink, the line climbed by Simon McCartney and Jack Roberts, archive Simon McCartney, - PlanetMountain.com