![National Park Service Logo](https://webarchive.library.unt.edu/web/20080921134917im_/http://www.nps.gov/imr/templates/images/graphics/parkblackband.gif) |
![](https://webarchive.library.unt.edu/web/20080921134917im_/http://www.nps.gov/imr/templates/images/graphics/blkshim.gif) |
![National Park Service: U.S. Department of the Interior](https://webarchive.library.unt.edu/web/20080921134917im_/http://www.nps.gov/imr/templates/images/graphics/prntarrw.gif) ![National Park Service Arrowhead](https://webarchive.library.unt.edu/web/20080921134917im_/http://www.nps.gov/imr/templates/images/graphics/prnttitl.gif) |
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Yellowstone National Park
Bookstore
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![Seventh Cavalry Ensignia Pin. Seventh Cavalry Ensignia Pin.](https://webarchive.library.unt.edu/web/20080921134917im_/http://www.nps.gov/imr/customcf/apps/CMS_HandF/Pictures/YELL_cavalryemblem.jpg) |
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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 27, 2007 at 13:11 EST |