U.S. Geological Survey Open-File Report 2012–1103
Sea-Floor Character and Geology Off the Entrance to the Connecticut River, Northeastern Long Island Sound
Figure 31. Sidescan-sonar imagery produced from data collected during National Oceanic and Atmospheric Administration survey H12013. Light tones indicate hard returns and generally coarser grained sediments; dark tones indicate softer returns and generally finer grained sediments. |