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Milwaukee Deep, also known as The Milwaukee Depth, () is the deepest part of the Atlantic Ocean and is part of the Puerto Rico Trench. It has a maximum depth of at least . It is just north of the coast of Puerto Rico at ''Punto Palmas Altas'' in Manatí.〔"Milwaukee Depth". Encyclopædia Britannica. 2009. Encyclopædia Britannica Online. 12 October 2009 This ocean floor feature is named for the USS ''Milwaukee'' (CL-5), a U.S. Navy Omaha class cruiser, which discovered the Milwaukee Deep on February 14, 1939 with a reading of . On August 19, 1952, the U.S. Fish and Wildlife vessel ''Theodore N. Gill'' obtained a reading of at (), virtually identical with the ''Milwaukee''s reading. The existence of deep water to the Atlantic Ocean side of the Caribbean has been known for more than a century. One of the area's earliest soundings was obtained June 12, 1852 by Lt. S. P. Lee, U.S. Navy brig ''Dolphin'', with a reading of at ().〔The Deepest Sounding in the North Atlantic, J. Lyman, Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 222, No. 1150, A Discussion on the Floor of the Atlantic Ocean (March 18, 1954), pp. 334–336. Published by: The Royal Society. ==See also== *List of submarine topographical features *Oceanic trench *Puerto Rico Trench 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Milwaukee Deep」の詳細全文を読む スポンサード リンク
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