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The Grand Canyon of the Yellowstone |
Norris Geyser Basin, Yellowstone |
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Norris Geyser Basin, Yellowstone |
Grand Teton National Park |
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The Grand Canyon of the Yellowstone |
Undine Falls Area, Yellowstone |
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Red Dragonfly at Norris Geyser Basin, Yellowstone |
The Philadelphia Museum of Art, Pennsylvania |