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
Part 1: Planning Considerations - Denali National Park & Preserve (U.S. National Park Service)
Alaska 2011: Denali West Buttress and Cassin Ridge // Worldwide Expeditions — Alpine Exposures