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Virtual Guidebook to Yellowstone and Grand Teton National Parks
West Thumb Geyser Basin Yellowstone National Park, Wyoming |
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The small but interesting fumarole area at West Thumb. (7-30-00) |
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Bluebell Pool and Seismograph Pool. (7-30-00) | |
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Fishing Cone hot spring, just under the waters of Lake Yellowstone. (7-30-00) | |
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The Black Pool, now deep blue due to a change in temperature. (7-30-00) | |
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| Next: Fort Yellowstone | ||