U.S. Geological Survey Open-File Report 2011-1184
High-Resolution Geophysical Data From the Sea Floor Surrounding the Western Elizabeth Islands, Massachusetts
Figure 5. Map showing interpolated, shaded-relief bathymetry of the sea floor surrounding the western Elizabeth Islands, Massachusetts. Coloring and bathymetric contours represent depths in meters, relative to mean lower low water. The contour interval is 10 meters.