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Rocky Mountain National Park a photo of backcountry tenting
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Rocky Mountain National Park
Northern Pocket Gopher
a photo of a pocket gopher
Courtesy of NPS
Northern Pocket Gopher

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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: September 28, 2006 at 12:35 MST