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U.S. Geological Survey Open-File Report 2010–1100

Surficial Geology of the Sea Floor in Long Island Sound Offshore of Orient Point, New York

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

Figure 17. A map of the sidescan sonar data collected in the study area.

Figure 17. Sidescan-sonar imagery from National Oceanic and Atmospheric Administration survey H11446. Lighter tones represent high backscatter and are interpreted as coarser grained material, such as gravel, which is capable of reflecting more of the sonar waves. Darker tones represent low backscatter and are interpreted as finer grained materials, such as sand. Boxes show locations of figure 18 and figure 19. Click here for a larger version of this image.

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