Columbia subject headings:
Oceanography--North Atlantic Ocean--Charts, diagrams, etc.
Seawater--Density--Charts, diagrams, etc.
Water masses--North Atlantic Ocean--Charts, diagrams, etc.
Harvard subject headings:
Princeton subject headings:
Oceanography--North Atlantic Ocean--Charts, diagrams, etc.
Seawater--Density--Charts, diagrams, etc.
Water masses--North Atlantic Ocean--Charts, diagrams, etc.