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Making America's Best Idea Even Better
Yellowstone National ParkAerial photo of wolf pack in snow.
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Yellowstone National Park
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Seventh Cavalry Ensignia Pin.  

Did You Know?
Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.

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Last Updated: August 19, 2009 at 13:24 EST