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Site is approximately 104 miles long by 77 miles wide. The gridded, rectilinear lines are approximately 2 miles wide. It is uncertain if the gridded lines are actually a part of the ocean floor topography or if they are a result of shipboard sonar or data collection methods associated with the creation of this combined satellite altimetry and shipboard bathymetry topographic map. However, the current information does point to the data collection methods as the primary culprit.