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Arctic
4
Canada
4
Greenland
4
Gronland
Pacific
Antarctic
2
Australian Antarctic Territory
2
Barents Sea
2
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2
Blanche
2
British Columbia
2
Hodgson
2
Holdfast
2
Hudson
2
Hudson Bay
2
Jan Mayen
2
Kendrick
2
Kola Peninsula
2
Medusa
2
Mid-Atlantic Ridge
2
Okhotsk
2
Pena
2
Ross Sea
2
Rugosa
2
Showa
2
Terra Nova Bay
2
Tethys Bay
2
The Antarctic
2
Tow Hill
2
Tristan
2
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