Columbia subject headings:
Continental margins--Research--United States.
Geophysics--Research--United States.
Submarine geology--Research--United States.
Harvard subject headings:
Continental margins--Research--United States.
Geophysics--Research--United States.
Submarine geology--Research--United States.
Princeton subject headings:
Continental margins--Research--United States.
Geophysical research--United States.
Submarine geology--Research--United States.