High Mountain Tundra

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Nymph Lake with Yellow Lillies

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White Wildflowers

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Tom Perkins and Lab Members Teaching a "CU Wizards" Program

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Tom Perkins and Lab Members Teaching a "CU Wizards" Program

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Tom in China

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Ultrastable AFM

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Thomas Perkins at an Atomic Force Microscope

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Backcountry Skiing 1

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Backcountry Skiing 2

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