Geysers in Yellowstone National Park

When you think Yellowstone you think geysers, and for good reason. Yellowstone has about a quarter of all geysers in the world.


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Turquoise Pool
Unlike many of the other pools, this one doesn't have orange cyanobacteria around the edges.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Opal Pool
A small pool with a large section of orange cyanobacteria.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Water terrace
The water flowing out of Grand Prismatic Spring has built up terracess as it makes its way to the river.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Water terrace up close
A close up of the terrace area that water from the Grand Prismatic Spring flows over.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Silent Pool
Not part of the main area, but still part of the basin, this light blue pool sits quietly by the Firehole River.
Date: August 25, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Grand Prismatic Spring
Deep blue in the center, then shades of greens. The edges go from yellow to deep orange.
Date: August 25, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Grand Prismatic Spring
Deep blue in the center, then shades of greens. The edges go from yellow to deep orange.
Date: August 25, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Grand Prismatic Spring
The spring gives of a lot of steam and the water flowing out of it has lots of rich oranges and browns.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY

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Grand Prismatic Spring
The steam rising from the hot water picks up a light blue color from the water beneath it.
Date: August 23, 2010
Location: Midway Geyser Basin, Yellowstone National Park, WY