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Antarctica
40
Marine Geoscience
40
Marine-Geo Digital Library (MGDL)
Oceans
40
R/V Nathaniel B. Palmer
40
Solid Earth
Southern Ocean
40
Bathymetry/Topography
20
Antarctica: Ross Sea
19
Sonar:Multibeam
19
Navigation
18
Bathymetry:Swath
17
Backscatter:Acoustic
15
Sidescan
12
Bathymetry
11
Navigation:Primary
11
Gravimeter
9
Gravity:Field
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Seismic:Subbottom
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Subduction Zone
8
Amundsen Sea
7
Continental Margin
7
Potential Field
7
Gravity:Anomaly:FreeAir
6
NBP0901
6
NBP0306
5
NBP0402
4
NBP0501
4
Magnetic:Field
3
Magnetometer
3
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