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Yellowstone National ParkJuvenile Bighorn Sheep casually amble along a precipice near Tower Falls.
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Yellowstone National Park
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Road construction on the Madison to Norris road in Yellowstone Park.

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Construction workers excavate a slope to create a new overlook at Gibbon Falls.

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What's new on the Yellowstone website? For the latest postings, and information see our What's New page.

Castle Geyser erupting
Online Slide File
Visit our online slide file, with over 13,000 public domain images available for use.
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Cover of summer 2007 Yellowstone Today
Yellowstone Today
Current seasonal information on Yellowstone
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Resource & Issues 2009 Cover
Explore 2009 Resource & Issues
The handbook our rangers use to answer many basic park questions
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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.

Last Updated: November 03, 2009 at 12:28 EST