Subject
Submarine topography
144
Ocean bottom
24
Marine sediments
20
Continental shelf
19
Geology
14
Submarine geology
11
Continental margins
6
Massachusetts Bay (Mass.)
6
Coastal mapping
5
Stellwagen Bank National Marine Sanctuary (Mass.)
5
Benthos Habitat
4
Geology, Stratigraphic
4
Ocean bottom Remote sensing
4
Ocean bottom ecology
4
Abyssal zone
3
Fire Island (N.Y. : Island)
3
Geological surveys
3
Marine geophysics
3
Seamounts
3
Breton National Wildlife Refuge (La.)
2
Chandeleur Islands (La.)
2
Chirikof Basin
2
Coral reefs and islands
2
Echo scattering layers
2
Economic zones (Law of the sea)
2
Florida Bay (Fla.)
2
Frozen ground
2
Geology, Structural
2
Geomorphology
2
Geophysical surveys
2
Glacier Bay (Alaska)
2
Hydrographic surveying
2
Kilauea Volcano (Hawaii)
2
Long Island Sound (N.Y. and Conn.)
2
Marine resources conservation Law and legislation
2
Mexico, Gulf of
2
Nantucket Sound (Mass.)
2
North Atlantic Ocean
2
North Pacific Ocean
2
Oceanography
2
Pacific Coast (Calif.)
2
Sediment transport
2
Seismic prospecting
2
Sonar
2
Submarine topography Remote sensing
2
Territorial waters
2
Underwater exploration
2
Alaska
1
Appropriations and expenditures
1
Aquatic habitats
1
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