Figure 16. Maps showing soft-sediment sponges overlaid on A, sediment phi class, and B, backscatter intensity. See figure 6 for map location. See figure 17 for an example photograph (d1_PICT0447.JPG). Sediment phi classes are from U.S. Geological Survey Open-File Report 2014–1220 (Foster and others, 2014). Backscatter imagery from USGS Open-File Report 2012–1002. UTM, Universal Transverse Mercator; WGS 84, World Geodetic System of 1984
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