Tourquoise (IMAGE) Penn State Caption Selection of turquoise and shell artifacts found in Room 33 of Pueblo Bonito (Chaco Canyon, New Mexico, USA). Credit Roderick Mickens ©American Museum of Natural History Usage Restrictions Non commercial use only 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.