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Oregon Caves National Monument100 years of Discovery
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Oregon Caves National Monument
Photos & Multimedia
 
 
If you cannot visit the Monument experience it through multimedia, or if you would like a preview of the cave, look through our photo gallery.
Depictions of a Cave Tour
Depictions of a Cave Tour
Oh the wonders you'll discover inside the earth!
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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.

Last Updated: September 18, 2006 at 09:51 EST