Columbia subject headings:
Geology--North Atlantic Ocean.
Geophysics--North Atlantic Ocean.
Mines and mineral resources--North Atlantic Ocean.
Paleoceanography--North Atlantic Ocean.
Harvard subject headings:
Geology--North Atlantic Ocean.
Geophysics--North Atlantic Ocean.
Mines and mineral resources--North Atlantic Ocean.
Paleoceanography--North Atlantic Ocean.
Princeton subject headings:
Geology--North Atlantic Ocean.
Geophysics--North Atlantic Ocean.
Mines and mineral resources--North Atlantic Ocean.
Paleoceanography--North Atlantic Ocean.