Tags: humans, mount whitney, summits
Tags: humans, mount whitney, mountains, summits
Tags: humans, mount lyell, mountains, summits, yosemite national park
Tags: albert ellingwood, hermann buhl, humans, men, mount helen, summits, thirteeners, wind river range, wyoming
Tags: humans, mount shasta, mountains, summits
Tags: rocky mountain national park, summits
Tags: climbers, rocky mountain national park, summits
Tags: notepads, rocky mountain national park, summit registers, summits
Tags: flags, mountaineers, oxygen masks, summits, supplemental oxygen
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