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U.S. Geological Survey Open-File Report 2007-1373

High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts

Section 2 - Maps

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Five map sheets have been compiled showing the seafloor offshore of Massachusetts from Cape Ann to Salisbury Beach.  The text on each map sheet introduces the map, briefly describes the data and methods, and summarizes key features.  Section 3 (Data Collection and Processing) and Section 4 (Geologic Interpretation) provide more detailed information than presented on the map sheets.  Links to the maps at full scale, the map text, and a page-size map are provided on the USGS website:

Map Sheet 1 (PDF): Shaded-relief topography of seafloor (colored)
Map Sheet 1 Text (PDF)

Map Sheet 1.

Map Sheet 2 (PDF): Shaded-relief topography of seafloor (gray scale)
Map Sheet 2 Text (PDF)

Map Sheet 2.
Map Sheet 3 (PDF): Backscatter intensity of seafloor (gray scale)
Map Sheet 3 Text (PDF)
Map Sheet 3.

Map Sheet 4 (PDF): Shaded-relief topography of seafloor, colored by backscatter intensity
Map Sheet 4 Text (PDF)

Map Sheet 4.

Map Sheet 5 (PDF): Geologic map of the seafloor
Map Sheet 5 Text (PDF)

Map Sheet 5.

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