Quelccaya Margin 2002 (IMAGE) Ohio State University Caption This 2002 photo of Quelccaya Ice Cap, taken from the same spot as a previous photo in 1977, shows the retreat of the ice wall's vertical margins. Credit Photo by Lonnie Thompson, courtesy of Ohio State University 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.