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iceberg

(Encyclopedia) iceberg, mass of ice that has become detached, or calved, from the edge of an ice sheet or glacier and is floating on the ocean. Because ice is slightly less dense than water about one…

echo sounder

(Encyclopedia) echo sounder, an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the…

Palmyra Atoll Map

  Palmyra Atoll Profile: History ‚· Government ‚· Economy ‚· Population ƒ‚‚¬‚¦ Palmyra Atoll Information Encyclopedia: Palmyra Atoll In-depth entries…

Harriman, Edward Henry

(Encyclopedia) Harriman, Edward Henry, 1848–1909, American railroad executive, b. Hempstead, N.Y.; father of William Averell Harriman. He became a stockbroker in New York City and soon entered the…

Tacna-Arica Controversy

(Encyclopedia) Tacna-Arica ControversyTacna-Arica Controversytäkˈnə-ərēˈkə [key], 1883–1929, dispute between Chile and Peru. It arose from provisions of the Treaty of Ancón (1883), which ended the…

Saint Vincent, Gulf

(Encyclopedia) Saint Vincent, Gulf, inlet of the Indian Ocean, 90 mi (145 km) long and 45 mi (72 km) wide, SE South Australia state, Australia. Port Adelaide is on the eastern shore.

Florida, Straits of

(Encyclopedia) Florida, Straits of, passage, c.90 mi (145 km) wide, between the Florida Keys in the north and Cuba in the south. It connects the Gulf of Mexico with the Atlantic Ocean.