Geographic location
Catwalk
42
Pacific
37
Bering Sea
15
Antarctic
13
Mackenzie Delta
11
Charcot
8
Ewing
8
Maurice
8
Arctic
6
Greenland
6
Okhotsk
6
Southern Ocean
5
Antarctic Ocean
4
Canada
4
Shackleton
4
Kennett
3
Kidd
3
Mid-Atlantic Ridge
3
Hudson
2
Hudson Bay
2
Hudson Strait
2
Indian
2
San Juan
2
The Antarctic
2
Gardner
1
Haug
1
Norwegian Sea
1
Ortega
1
Pablo
1
Ricardo
1
Rosenthal
1