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Open-File Report 2014–1018

Sea-Floor Geology in Northwestern Block Island Sound, Rhode Island

Skip past contents information Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sidescan Sonar | Sediments | Bottom Photography | GIS Data Catalog | Summary | Acknowledgments | References | Contacts | Index

Figure 18. Image of sidescan sonar from the northern part of the study area.

Figure 18. Detailed sidescan-sonar image of megaripples and boulders in the northern part of the study area. Sand waves appear as tiger striped high and low backscatter and boulders appear as high-backscatter targets with low-backscatter shadows. Location of image is shown in figure 11.

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