U.S. Geological Survey Open-File Report 2012-1157
Shallow Geology, Seafloor Texture, and Physiographic Zones of the Inner Continental Shelf from Nahant to Northern Cape Cod Bay, Massachusetts
Figure 6. Seismic stratigraphic units and major unconformities interpreted within Boston Harbor by Rendigs and Oldale (1990), Massachusetts Bay by Oldale and Bick (1987), Cape Cod Bay by Oldale and O’Hara (1990), and between Nahant and northern Cape Cod Bay in this study.