Sapphire Pool

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Geyser Erupting at Sunset — Orange

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Steam rising at a geothermal area

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Steam rising over a river in Yellowstone

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Geothermal Pools at Sunset

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Geothermal Pools at Sunset — Orange, Serene, Photograph, Sun, Clouds

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Geothermal Pools at Sunset — Orange, Serene, Photograph, Sun

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Geothermal Pools at Sunset — Orange, Dramatic, Photograph, Sun

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Elk in Geothermal Area

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Bison in Geothermal Area

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Mammoth Terraces — White

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Mammoth Terraces

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