U.S. Geological Survey Open-File Report 2009-1001
Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts
Figure 26. Segment of Boomer high-resolution seismic-reflection profile and interpretation from RV Rafael cruise 08034 line 4 across the buried channel that extends seaward beneath Edgartown Harbor. Estuarine and transitional deposits fill the buried channel, and some of these deposits contain gas-charged sediment. Location of profile is shown in figure 12.