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Making America's Best Idea Even Better
Black Canyon of the Gunnison National ParkPeregrine Falcon, Photo by Lisa Lynch
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Black Canyon of the Gunnison National Park
6: Additional Resources
 

Geologic Time, Online Edition by William L. Newman
This USGS online publication provides a thorough introduction to relative verses, absolute dating and the developmental history of the geologic time scale.

Fossils, Rocks and Time, Lucy E. Edwards and John Pojeta, Jr.
In this USGS online publication, learn the important role that fossils play in shaping the geologic time scale.
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Poison Ivy  

Did You Know?
Poison ivy is abundant at the bottom of Black Canyon. It can grow over 5 feet tall along the Gunnison River.

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Last Updated: July 31, 2006 at 16:14 EST