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Antarctica
Antarctica: Drake Passage
Marine Geoscience
77
Marine-Geo Digital Library (MGDL)
77
Oceans
77
R/V Nathaniel B. Palmer
Southern Ocean
77
Solid Earth
48
Navigation
37
Temperature
28
Physical Oceanography
25
Bathymetry
23
Conductivity
23
Radiation:Visible
20
Bathymetry/Topography
19
Navigation:Primary
19
Sonar:Multibeam
19
CTD
17
Salinity
16
Fluorescence
15
Bathymetry:Swath
13
NBP0812
13
Pressure
13
Backscatter:Acoustic
11
Seismic:Subbottom
11
Sidescan
11
Fluorometer
10
Meteorological
10
MeteorologicalSensor
10
NBP0908
10
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