Columbia subject headings:
Bathymetric maps.
Maps.
Submarine topography--Oceania--Maps.
Topographic maps.
Tutuila Island (American Samoa)--Maps.
Tutuila Island Region (American Samoa)--Maps.
Harvard subject headings:
Submarine topography--American Samoa--Tutuila Island Region--Maps.
Tutuila Island Region (American Samoa)--Maps.
Princeton subject headings: