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Yellowstone National ParkStunning views of Minerva Terrace are located at Mammoth Hot Springs.
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Yellowstone National Park
Anatomy of a Hot Spring
Illustration of a hot spring.
A Hot Spring
 
At times, fierce, boiling waters within a hot spring (such as Crested Pool) can explode, shooting water into the air, acting much like a geyser. It is believed, however, that in the case of Crested Pool, no constrictions block the flow of water to the surface. The spring's wide mouth and 42-foot depth provide a natural conduit for superheated water to circulate continuously to the surface.
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: July 20, 2006 at 18:27 EST