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U.S. Coast Survey:
President Thomas Jefferson signs a bill authorizing the United States Coast Survey.(Scientific Research) -
Undersea Canyons:
James Alden discovers the first known submarine valley, California's Monterey Canyon.(Navigation) -
Early Marine Survey of the Americas:
Naturalist Louis Agassiz steams from the U.S. East Coast to its West Coast around South America, collecting some 30,000 marine specimens.(Scientific Research) -
First Acoustic Exploration of the Seas:
Reginald Fessenden uses an oscillator to bounce a signal simultaneously off an iceberg and the seafloor, the first acoustic exploration of the seas.(Navigation) -
Studying the Mid-Atlantic Ridge:
The German Meteor expedition surveys the South Atlantic with echo sounders, proving the continuity of the Mid-Atlantic Ridge.(Scientific Research) -
The Creation of the Aqua-Lung:
Jacques Cousteau and Emile Gagnan modify a demand breathing regulator to engineer the Aqua-Lung, forever changing the course of human interaction with the sea.(Medicial Field) -
Development of the Deep Tow System:
The Scripps Institution of Oceanography begins development of the Deep Tow System, the forerunner of all remotely operated unmanned oceanographic systems.(Recreation) -
An Underwater Lab:
Sealab II, an underwater habitat, is lowered off the coast of California.(Scientific Research) -
The Discovery of the Sunken Titanic:
A research team led by Robert Ballard discovers the Titanic more than 3,810 meters (12,500 feet) down, the most famous shipwreck in modern history.(Scientific Research) -
Creating Seafloor Maps:
Declassification of GEOSAT radar altimetry data from a U.S. Navy Earth observation satellite leads to the worldwide mapping of the seafloor.(Navigation)