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Shenandoah National Park Brook Trout live in many of the cold mountain streams in Shenandoah National Park.
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Shenandoah National Park
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Science and Natural Resource Stewardship
Learn about scientific research & natural resource stewardship in the park.
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A hiker is dwarfed by the huge, round, lichen-covered boulders of Old Rag Mountain.

Did You Know?
The large rounded boulders on the top of Old Rag, Shenandoah National Park’s most popular peak, were formed in place by chemical and physical weathering, called spheroidal weathering.

Last Updated: June 23, 2011 at 12:37 MST