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Mapping the floor of Lake Mead (Nevada and Arizona): Preliminary discussion and GIS data release, USGS Open-File Report 03-320
Figure 4. Sidescan-sonar image of part of Iceberg Canyon. Figure 4. Sidescan-sonar image of part of Iceberg Canyon. Figure 4. Sidescan-sonar image of part of Iceberg Canyon.



Figure 4. Click in figure for larger image. Sidescan-sonar image of part of Iceberg Canyon showing the high-backscatter canyon walls, the moderate-backscatter sediment on the canyon floor, and pockmarks dimpling the post-impoundment sediment surface. The pockmarks appear to be gas-escape structures. The location of this figure is shown in Figure 3.
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