Geographic location
Antarctic
The Antarctic
20
Arctic
8
Canada
8
Pacific
8
Feilberg
6
Indian
6
Alte
4
Harper
4
Jura
4
Rasmussen
4
Svalbard
4
Van Mieghem
4
Austin
2
Bakker
2
Bates
2
Bradshaw
2
Bruns
2
Carr
2
Charcot
2
Darby
2
Deacon
2
Debenham
2
Découverte
2
Finn
2
Fomin
2
Fridtjof
2
Gaul
2
Gilmour
2
Glacial Lake
2
Heiberg
2
Kennedy Channel
2
Lappen
2
Leet
2
Matz
2
Mellor
2
New Zealand
2
Polo
2
Rubin
2
Schwerdtfeger
2
Sitter
2
Surtsey
2
Sutcliffe
2
Uran
2
Uruguay
2
Wandel
2
Wellman
2