Pueblo Bonito (IMAGE) Washington State University Caption WSU scientists use data from archaeological sites like the 1,200-year-old Pueblo Bonito in Chaco Canyon, N.M., to study how ancient peoples adapted to climate change in the American Southwest. Credit Nate Crabtree Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.