Field Work In Antarctica (IMAGE) Washington University in St. Louis Caption Lloyd on his Skidoo towing a Conestoga (the cook shack for the traverse team) in front of Mount Sidley, a volcano that blew out its side much as Mount St. Helens did. Credit Mike Roberts Usage Restrictions Please credit 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.