• Curecanti National Recreation Area

    Curecanti

    National Recreation Area Colorado

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.

Did You Know?

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The Curecanti Needle has long been a defining symbol and landmark of this region. In 1882, the Denver and Rio Grande Railroad entered the Black Canyon and promptly designated the Curecanti Needle as their symbol.