Geographic location
Alvarez
2
Antarctic
4
Arctic
2
Austin
2
Barents Sea
2
Burton
2
Canada
2
Charcot
4
Custodio
2
Diaz
2
Drake Passage
6
Fraser Island
6
Genova
2
Goodwin
8
Greenland
2
Holdfast
2
Indian
2
Kara Sea
2
Lopez
2
McIntyre
2
McMurdo Sound
2
Merrick
14
Moreton
2
New Zealand
6
Okhotsk
2
Pacific
12
Pourquoi Pas
2
Pourquoi-Pas
2
Pourquoi-Pas?
2
Queensland
Ramirez
8
Ridley
4
Scripps
2
Southern Ocean
6
The Antarctic
2
The Helmet
2
Weddell
4
Weddell Sea
4
Wilkes Land
2