Geographic location
Arctic
11
Barents Sea
10
Arctic Ocean
9
Lopez
8
Norwegian Sea
7
Chapel Hill
6
Alabama
5
Barton
5
Bayside
5
Cat Island
5
Dauphin Island
5
Hurd
5
North Pass
5
Pelican Island
5
Round Island
5
Shell Island
5
Ship Island
5
Tigre
5
Antarctic
4
Atkinson
4
Cummings
4
Hayes
4
Morrison
4
Nautilus
4
Pacific
4
Salla
4
Baffin Bay
2
Rubio
2
Barrow Canyon
1
Bronk
1
Chukchi Sea
1
Hanna Shoal
1
Johansen
1
Sob’
1