Thomas J. Loebel (center) and C. Andrew Hemmings (left, wearing orange hat) plan the orientation of the track lines and the dimensions of the "box" for side-scan sonar and subbottom profiling over Ray Hole Sink. Image courtesy of Exploring the Submerged New World 2009 Expedition, NOAA-OER.
Related LinksExploring the Submerged New World 2009