Geographic location
Alvarez
Austin
4
Bering Sea
British Columbia
4
Burton
4
Canada
4
Okhotsk
4
Pacific
4
Arctic
2
Barents Sea
2
Brundage
2
Dark Cove
2
Dundas
2
Eddystone
2
Grace Point
2
Greenland
2
Griffin Bay
2
Gulf of Alaska
2
Kitasu Bay
2
Kol’
2
Kust
2
Minstrel
2
Moreton
2
Morrow
2
Murmansk
2
Navy Channel
2
Portland Canal
2
Ridley
2
Stefansson
2
White Sea
2
Winter Inlet
2