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Making America's Best Idea Even Better
Bighorn Canyon National Recreation AreaThree Pryor Mountain horses in the snow
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Bighorn Canyon National Recreation Area
Frequently Asked Questions
 
View of the monocline looking north from Dryhead  

Did You Know?
Over 65 million years, and especially over the last 5 million years, 5800 to 7500 feet of rock layers have eroded off the top of Bighorn Canyon.
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Last Updated: July 25, 2006 at 00:23 EST