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Grand Prismatic Spring
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Grand Prismatic Spring
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Grand Prismatic Spring
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Grand Prismatic Spring
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Grand Prismatic Spring
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Grand Prismatic Spring, Midway Geyser Basin, WY
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UNNG-MDG-1 ("Perfect Plume"), Midway Geyser Basin, Yellowstone National Park, WY
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Excelsior Geyser and Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Excelsior Geyser and Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Excelsior Geyser and Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Excelsior Geyser and Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Excelsior Geyser and Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring and runoff, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring and runoff, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Grand Prismatic Spring and runoff, Midway Geyser Basin, Yellowstone National Park, Wyoming.
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Flood Geyser, Firehole River, Midway Geyser Basin, Yellowstone National Park, Wyoming.