These rock formations are fascinating. They were formed by lava thousands of years ago.

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Yellowstone Ski January 2004

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Here's a movie of the dancing fountains.

Here's a movie of the dancing fountains.

Date: 07/14/2007 Views: 1176

These rock formations are fascinating. They were formed by lava thousands of years ago.

These rock formations are fascinating. They were formed by lava thousands of years ago.

Date: 06/17/2000

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These rock formations are fascinating. They were formed by lava thousands of years ago.