Marshall Archipelago

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Guest Peninsula AND MARSHALL Map.jpg
Marshall archipelago.jpg

The Marshall Archipelago is an extensive group of large ice-covered islands within the Sulzberger Ice Shelf off the coast of Westarctica's Guest Peninsula.

Discovery and name

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.

Disputed territory

Cronenwett Island, a large island located in the Marshall Archipelago, lies directly on the 150 degree line of longitude separating Westarctica from the Ross Dependency. This means sovereignty over the island is jointly shared by both Westarctica and New Zealand.