Geographic location
Canada
Helgoland
7
New Zealand
5
Pacific
5
Arctic
3
Burrows
3
Diaz
3
Alabama
2
Antarctic
2
Barents Sea
2
Barros
2
Bower
2
British Columbia
2
Chukchi Sea
2
Fang
2
Koluktoo Bay
2
Lamarck
2
Long Island
2
Long Island Sound
2
McIntosh
2
Morton
2
Noto
2
Nunavut
2
Ramberg
2
Rasmussen
2
The Antarctic
2
Andreas
1
Arctic Ocean
1
Christiania
1
Duff
1
Ewing
1
Galapagos
1
Garwood
1
Gravier
1
Hausen
1
Hayward
1
Herdman
1
Keferstein
1
Levin
1
Liverpool Bay
1
Mackay
1
Malmgren
1
Olivares
1
Rouse
1
Sanderson
1
Tay
1
York River
1
Zajac
1