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OCEAN BOTTOM OCEAN BOTTOM TOPOGRAPHY Physical and Dynamic Oceanography SONAR EQUIPMENT *OCEANOGRAPHY ATLANTIC OCEAN Acoustic Detection and Detectors BERING SEA BIBLIOGRAPHIES HIGHJUMP OPERATION MEASUREMENT METEOROLOGICAL PHENOMENA Most project-2 NAVAL RESEARCH PACIFIC OCEAN POLAR REGIONS PROPAGATION SOUND TRANSMISSION SURFACE TEMPERATURE *ACOUSTIC NAVIGATION *ANTARCTIC REGIONS *BIOLOGY *BOTTOM LOSS *GEOLOGY *METEOROLOGICAL RADAR *OCEAN BOTTOM TOPOGRAPHY *OCEANOGRAPHIC DATA *OPTICAL PROPERTIES *Ocean bottom topography *PHOTOGRAPHIC RECONNAISSANCE