Yellowstone's Hot Water May Be From One Source

From msnbc.com: Science:

When you think of Yellowstone National Park's famous Old Faithful geyser, you may think of its power, its size or even its reliability. But you probably don't think about where its water comes from. Unless you're a geochemist. A team from the U.S. Geological Survey in Menlo Park, Calif., recently dove into the question of just where Yellowstone's water comes from. Their findings indicate that the region - and its variety of geysers, mud pots and hydrothermal pools - could be supplied by a single water source that continuously boils, mixes and flows its way through the park.

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