Figure 5. Side-scan sonar image of The Narrows area of Somes Sound. Upper panel shows a profile of the seafloor and a shallow area (near arrow) that forms a sill at The Narrows. The lower panel is a plan view (looking down from the sea surface) at boulders that cover the sill. Boulders and gravel dominate the seafloor of this area (modified from Barnhardt and Kelley, 1995).

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Last updated on October 6, 2005

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