Earth Notes

In many parts of the country Del Rio Springs wouldn't get much attention. But because it's a reliable spring in an arid quarter, this little oasis has been attracting people for a long time.

In the latest installment of KNAU's environmental series, Earth Notes, we hear about some of the best practices for preserving ancient rock buildings on the Colorado Plateau.

This is a story about a young man, horse manure, vegetable peels and beer...

More than a century ago, a Harvard undergraduate named Alfred Vincent Kidder came out west. He came to volunteer at some archaeological sites that had just been excavated - places like Mesa Verde and other ancient ruins.

Nicknamed Ted, he had little more than a tape measure, a cheap compass and a Kodak camera. But the experience changed his life - and the course of southwestern archaeology.