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Figure 1. Map showing the location of the survey areas (shaded in red) and local physiographic features south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 2. Photograph of motor vessel (MV) Scarlett Isabella, used for surveying in this project. |
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Figure 3. Map showing tracklines along which bathymetric data were collected in the survey areas, south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 4. Map showing depth-colored shaded-relief bathymetry of the sea floor in the survey areas, south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 5. Map showing tracklines along which acoustic-backscatter data were collected in the survey areas, south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 6. Map showing acoustic-backscatter intensity of the sea floor in the survey areas, south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 7. Map showing tracklines along which seismic-reflection profiles were collected in the survey areas, south of Martha's Vineyard and north of Nantucket, Massachusetts. |
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Figure 8. Map showing the location of additional geophysical data in Massachusetts waters adjacent to the survey areas south of Martha's Vineyard and north of Nantucket, May to June 2013. |
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Table 1. Survey details for the data collected in the study areas south of Martha’s Vineyard and north of Nantucket, Massachusetts, May to June 2013. |
U.S. Department of the Interior |
U.S. Geological Survey