Beginning of Excavations (IMAGE) GMTO Corporation Caption A hydraulic drill being used to create excavation boundaries: more than 4,000 cubic meters of rock will be removed in preparation of the pouring of the concrete foundations for the Giant Magellan Telescope and its support buildings. Credit Giant Magellan Telescope - GMTO Corporation. 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.