U.S. Geological Survey Open-File Report 2011–1004
Sea-Floor Geology and Character of Eastern Rhode Island Sound West of Gay Head, Massachusetts
Figure 34. Bottom photographs showing a comparison of the undulating muddy sand at station 922-22, typical of the Holocene sediments in Rhode Island Sound, with the gravelly sea floor at station 922-18, located in an adjacent scour depression. Station locations are shown in figures 17, 25, and 28.