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Mammoth Hot Springs... Angel Terrace... Travertine wonders...
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Lower Falls in the Grand Canyon of the Yellowstone River, Yellowstone National Park, WY...
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Flowers bloom amidst the runoff from one of the hot springs at Mammoth, Yellowstone National Park, WY...
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Mammoth Hot Springs view... this really is on planet Earth...
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Alien Vista... Mammoth Hot Springs,Yellowstone National Park, Wyoming...
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Yellowstone River near Nez Pierce picnic area
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Fishing Bridge area, Yellowstone Park
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Surreal Norris Geyser Basin
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Canyon area with view of Lower Falls
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Canyon area
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West Thumb Geyser Basin; elk in snow
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West Thumb Geyser Basin; elk in snow
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Trees, clouds and sky
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Blue Pool at Grand Prismatic Spring
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Deep Blue Waters of Hot Pool
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Distant Mountains and Hot Pool
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Prismatic Pool area, Yellowstone Park
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Reflections in Prismatic Pool
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Reflections in Prismatic Pool
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Thermophilic Cyanobacteria Growth in the Hot Pools Give Rise to Brilliant Colors
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Patterns in the Hot Pool Runoff
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Patterns in the Hot Pool Runoff
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Lower Falls of the Yellowstone River
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Lower Falls; Grand Canyon of the Yellowstone
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Lower Falls of the Yellowstone River
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Lower Falls of the Yellowstone River
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Grand Canyon of the Yellowstone River
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Mountain Beach on the Yellowstone River
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Soda Butte on the Yellowstone River