U.S. Geological Survey Open-File Report 2009-1001
Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts
Figure 25. Segment of Boomer high-resolution seismic-reflection profile and interpretation from research vessel Rafael cruise 08034 line 4 across the elongate bathymetric high that extends seaward from Middle Flats. Coastal-plain deposits underlie the glacial drift. Location of profile is shown in figure 12.