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Making America's Best Idea Even Better
Rocky Mountain National ParkA photo of a stone arrowhead.
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Rocky Mountain National Park
Volunteers Teaching Visitors About Rut
a photo of a volunteer teaching a visitor
Photo courtesy of Rocky Mountain National Park.
Elk Bugle Corps volunteers teach visitors about the rut.
a photo of gneiss (a metamorphic rock)  

Did You Know?
The oldest rocks in the park are metamorphic (biotite schist and gneiss) estimated at 1.7 billion years old, making them some of the oldest rocks within the National Park System.

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Last Updated: July 07, 2007 at 16:55 EST