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Yellowstone National ParkAerial photo of wolf pack in snow.
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Yellowstone National Park
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This page contains much of the information that formerly was catagorized under our Technical page, which contained information from our scientists and specialists. If you are unable to find the information from our scientists that you are seeking, please look under Nature and Science.

This section also includes information on our
A ranger and two visitors engage in a discussion standing in front of a Toyota Prius.
Greening and Sustainability in YNP
Learn what Yellowstone is doing to preserve and protect
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Upper Geyser Basin Hydrothermal Features on a Winter Day.  

Did You Know?
Yellowstone contains approximately one-half of the world’s hydrothermal features. There are over 10,000 hydrothermal features, including over 300 geysers, in the park.

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Last Updated: June 04, 2008 at 14:26 EST