2003-2006 News Release Archive
These are the news releases from the years 2003 - 2006. These are historic news releases. The links and contact information contained within may now be outdated and may no longer be valid.
2006 News Digest (1.06MB PDF File)
Did You Know?
The more recent Kaibab limestone caprock, on the rims of the Grand Canyon, formed 270 million years ago. In contrast, the oldest rocks within the Inner Gorge at the bottom of Grand Canyon date to 1.84 billion years ago. Geologists currently estimate the age of Earth at 4.5 billion years.