November 20, 1998

Archaeologists Use Technology to Avoid Invasive Excavations

By DAVID L. WHEELER

Radar and other remote-sensing tools can guide decisions about where to dig

In 1976, a bulldozer sliced into a hillside in central El Salvador and revealed a 1,400-year-old rural household, perfectly preserved under 16 feet of volcanic ash.

Payson Sheets, a professor of archaeology at the University of Colorado at Boulder who discovered the prize during a survey of the region with his colleagues,

Print Subscription

Digital Subscription

Already have an account? Log In Now.