Map of Qori Kalis Glacier, Peru (IMAGE) Ohio State University Caption A) Retreat of the Qori Kalis glacier at the Quelccaya ice cap from 1963 to 2005. (B) Retreat records for six other Andean glaciers. (C) The photos document the expansion of the proglacial lake from 1991 to 2005 as Qori Kalis retreated. Credit Courtesy of Lonnie Thompson, Ohio State University. Usage Restrictions News media 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.