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The Marshall Archipelago is an extensive group of large ice-covered islands within the Sulzberger Ice Shelf off Antarctica. Several of the islands were discovered and plotted by the Byrd Antarctic Expeditions (1928–30 and 1933–35) and by the United States Antarctic Service (1939–41), all led by Admiral Richard E. Byrd. The full extent of the archipelago was mapped by the United States Geological Survey from surveys and U.S. Navy air photos (1959–65). The name was proposed by Admiral Byrd for General of the Army George C. Marshall, who made financial contributions as a private individual and also, on the same basis, provided advisory assistance to the Byrd expedition of 1933–35.〔 ==Islands== ''Main article: Benton Island'' *Benton Island () is an island in length, lying northwest of Nolan Island and west of Przybyszewski Island in the Marshall Archipelago. ''Main article: Cronenwett Island'' *Cronenwett Island () is an island in length making it the longest island in the archipelago. The island lies between Vollmer Island and Steventon Island in the Marshall Archipelago. Although the island is near Vollmer Island, Vollmer Island is not actually considered one of the islands of the Marshall Archipelago. ''Main article: Grinder Island'' *Grinder Island () is an island in length and in width. The island lies southwest of Steventon Island within the Marshall Archipelago. ''Main article: Hannah Island'' *Hannah Island () is an island lying between Hutchinson Island and Guest Peninsula lying within the Marshall Archipelago. ''Main article: Hutchinson Island (Antarctica)'' *Hutchinson Island () is an island long, lying east of Vollmer Island. ''Main article: Kramer Island'' *Kramer Island () is an island in length and is situated between Nolan Island and Court Ridge in the Marshall Archipelago. ''Main article: Madden Island'' *Madden Island () is an island in length and is located between Moody Island and Grinder Island in the Marshall Archipelago. ''Main article: Orr Island'' *Orr Island () is an island in length and lies southwest of Grinder Island in the Marshall Archipelago. ''Main article: Przybyszewski Island'' *Przybyszewski Island () is an island in length and lies east of Cronenwett Island in the Marshall Archipelago. Barela Rock appears to be a rock formation of interest, located in the southern portion of Przybyszewski Island. ''Main article: Thode Island'' *Thode Island () is an island northwest of Benton Island and east of Przybyszewski Island in the Marshall Archipelago. 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「Marshall Archipelago」の詳細全文を読む スポンサード リンク
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