PointofInterestRoadSigns.com - Yellowstone National Park - Orange Spring Mound 

 

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Yellowstone National Park - Orange Spring Mound

 

Location of sign - Upper Terrace Drive - Mammoth Hot Springs area at Yellowstone National Park.

 

Photo taken June 2008

Orange Spring Mound, Orange Spring Mound road sign, Yellowstone Orange Spring Mound  

Close-up view of sign

 

Orange Spring Mound, Orange Spring Mound road sign, Yellowstone Orange Spring Mound

Wide view of sign

 

Text of sign:

 

Orange Spring Mound

 

Hot water flows over the mound after bubbling through several vents along the tops.

 

Heat dwelling bacteria and algae grow abundantly in Orange Spring Mound's water creating tapestries of "living color."

 

3  Above the ground, the water begins to cool and evaporate.  Gases are released and water pressure decreases.  Orange Spring

    Mound gradually grows as water flows over it, depositing calcium carbonate, or travertine.

 

2  Under great pressure, the water percolates upward through buried limestone, dissolving a mineral called calcium carbonate.

 

1  Yellowstone's volcano heats water deep underground.

 

Graphics on the sign

 

In addition to the text there are several pictures of Orange Spring Mound including diagrams explaining the underground water 

systems that created it.

 

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