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![Sidescan sonar backscatter data combined with 3-D multi-beam dataproduced this map which showed a direct relationship between depth and type ofbottom material in this area theb4059.jpg Sidescan sonar backscatter data combined with 3-D multi-beam dataproduced this map which showed a direct relationship between depth and type ofbottom material in this area](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb4059.jpg?itok=Ihk5lhbT)
Description
Sidescan sonar backscatter data combined with 3-D multi-beam dataproduced this map which showed a direct relationship between depth and type ofbottom material in this area.
Collection
Historic Coast & Geodetic Survey