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Oregon Caves National MonumentExploring Oregon Caves National Monument
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Oregon Caves National Monument
Geologic Activity

geologic activity includes:

Isolation Through Climate
 
Learn more about the region's geologic activity.
Forest Service guide. Photo taken around 1915  

Did You Know?
Oregon Caves was managed by the Forest Service from 1909 to 1934 when it was transferred to management by the National Park Service.

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Last Updated: September 03, 2006 at 18:32 EST