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Antarctica
43
Solid Earth
Southern Ocean
42
Marine Geoscience
41
R/V Nathaniel B. Palmer
41
Marine-Geo Digital Library (MGDL)
40
Oceans
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
9
Seismic:Subbottom
8
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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Antarctic
43
Ross Sea
43
Southern Ocean
43
The Antarctic
25
Kongsberg
15
Pacific
11
West Antarctic Ice Sheet
10
Amundsen Sea
8
Ross Ice Shelf
5
Saba
3
Terra Nova Bay
3
Antarctic Peninsula
2
Dunbar
2
East Antarctic Ice Sheet
2
Achernar
1
Adare
1
Adare Basin
1
Beardmore
1
East Antarctica
1
New Zealand
1
Nimrod
1
Pine Island Glacier
1
Transantarctic Mountains
1
West Antarctica
1
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