• 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?

Morrow Point Dam

Morrow Point Dam, found within the silent walls of the Black Canyon, was the first thin-arch, double curvature concrete dam built in the United States (completed in 1968).