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 9. Bottom photographs and sediment samples collected within the study area were used to aid interpretations. Sediment samples with laboratory analysis are shown as magenta dots, while blue dots are visual descriptions. Data are from Ford and Voss (2010), McMullen and others (2011) and Emily Huntley (Massachusetts Office of Coastal Zone Management, unpub. data, 2012).