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Yellowstone National Park Juvenile Bighorn Sheep casually amble along a precipice near Tower Falls.
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Yellowstone National Park
Yellowstone Geology
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Josh McRae
 
Geologic Highlights of Park Area

Hydrothermal Features
Reports by Park Geologists

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Dog Hooked to Travois for Transporting Goods.

Did You Know?
Some groups of Shoshone Indians, who adapted to a mountain existence, chose not to acquire the horse. These included the Sheep Eaters, or Tukudika, who used dogs to transport food, hides, and other provisions. The Sheep Eaters lived in many locations in Yellowstone.
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Last Updated: January 27, 2012 at 12:59 MST