Hydraulic rotary drill (IMAGE) Goethe University Frankfurt Caption Eberhard Gischler (left; on winch), Harold Hudson (center; on tripod) and Belizean assistant Eric Vasquez coring using a hydraulic rotary drill on the pavement of the Belize Barrier Reef. . Credit Photo: G. Meyer Usage Restrictions no License Original 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.