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pkg holmes yellowstone national park supervolcano_00013829.jpg
pkg holmes yellowstone national park supervolcano_00013829.jpg

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    2012: Supervolcano beneath Yellowstone?

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2012: Supervolcano beneath Yellowstone?

In 2012, CNN's Michael Holmes reported on what's underneath the beauty of Yellowstone National Park ... a supervolcano.

2012: Supervolcano beneath Yellowstone?

In 2012, CNN's Michael Holmes reported on what's underneath the beauty of Yellowstone National Park ... a supervolcano.