Edge of colored pool of West Thumb Geyser Basin on Yellowstone Lake in Yellowstone National Park. WY.

Edge of colored pool of West Thumb Geyser Basin on Yellowstone Lake in Yellowstone National Park. WY.
Photo by Jim Steinhart © 2011, all rights reserved. (Ref: WYYE916)

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Yellowstone Lake, Yellowstone National Park
Yellowstone National Park
Captions List for Wyoming

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