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Making America's Best Idea Even Better
Oregon Caves National Monument100 years of Exploration
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Oregon Caves National Monument
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Supporting Oregon Caves National Monument

Writer and historian Wallace Stegner called national parks “the best idea we ever had. Absolutely American, absolutely democratic,

Philanthropic contributions continue to make a significant difference and we welcome and are grateful for your support.

Volunteer Opportunities

We always are in need of dedicated volunteers. Find out more by searching the links above.
An Oregon Caves' Volunteer
Volunteer at Oregon Caves
We make a living by what we do, but we make a life by what we give. --Winston Churchill
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Acid dew dissolves the cave wall to make small pock marks.  

Did You Know?
Carbon dioxide mixes with water that condenses on the wall of the cave to create a very weak acid. Over long periods of time this "acid dew" eats away at the marble walls of Oregon Caves making the cave larger.

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Last Updated: September 03, 2009 at 19:49 EST