USGS Open-File Report 2007-1373, High-Resolution Geologic Mapping of the Inner Continental Shelf: Cape Ann to Salisbury Beach, Massachusetts, Figure 4.6

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

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

Title Page / Table of Contents / List of Figures / Introduction / Maps / Data Collection/Processing / Interpretation / Summary / Acknowledgments / References Cited / Appendix 1 / Appendix 2 / Appendix 3 / Appendix 4 / Appendix 5

Figure 4.6. Maps sshowing bathymetry (upper left) and acoustic-backscatter intensity (upper right) in the northeastern part of the survey area. Parallel stripes that trend NW-SE in the backscatter data are artifacts of data collection. Isolated Rocky Zones (RZ) are surrounded by the uniformly flat, muddy seafloor of the Outer Basin (OB). Bottom photographs A-F are indicated by yellow circles. The distance across the bottom of the photographs is approximately 50 cm. See Figure 4.1 for location.

Figure 4.6. Maps showing bathymetry (upper left) and acoustic-backscatter intensity (upper right) in the northeastern part of the survey area. Parallel stripes that trend NW-SE in the backscatter data are artifacts of data collection. Isolated Rocky Zones (RZ) are surrounded by the uniformly flat, muddy seafloor of the Outer Basin (OB). Bottom photographs A–F are indicated by yellow circles. The distance across the bottom of the photographs is approximately 50 cm. See Figure 4.1 for location.

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